Home / 13,037,136.30-19,555,704.45-7,648,368.30

Finding the Fourth Proportional to 13,037,136.30, 19,555,704.45 and 7,648,368.30

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Solution

The fourth proportional to 13,037,136.30, 19,555,704.45 and 7,648,368.30 is: 11,472,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,136.30 : 19,555,704.45 = 7,648,368.30 : x
  2. Step 2: Convert to fraction form
    13,037,136.30/19,555,704.45 = 7,648,368.30/x
  3. Step 3: Cross multiply
    13,037,136.30x = 19,555,704.45 × 7,648,368.30
  4. Step 4: Simplify right side
    13,037,136.30x = 149,569,229,999,548.94
  5. Step 5: Solve for x
    x = 149,569,229,999,548.94/13,037,136.30
  6. Step 6: Final answer
    x = 11,472,552.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.