Home / 13,124,136.70-19,686,205.05-7,360,954.30

Finding the Fourth Proportional to 13,124,136.70, 19,686,205.05 and 7,360,954.30

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Solution

The fourth proportional to 13,124,136.70, 19,686,205.05 and 7,360,954.30 is: 11,041,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,136.70 : 19,686,205.05 = 7,360,954.30 : x
  2. Step 2: Convert to fraction form
    13,124,136.70/19,686,205.05 = 7,360,954.30/x
  3. Step 3: Cross multiply
    13,124,136.70x = 19,686,205.05 × 7,360,954.30
  4. Step 4: Simplify right side
    13,124,136.70x = 144,909,255,713,479.22
  5. Step 5: Solve for x
    x = 144,909,255,713,479.22/13,124,136.70
  6. Step 6: Final answer
    x = 11,041,431.45

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Similar ratio
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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.