Home / 13,029,355.02-17,980,531.10-7,228,136.94

Finding the Fourth Proportional to 13,029,355.02, 17,980,531.10 and 7,228,136.94

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Solution

The fourth proportional to 13,029,355.02, 17,980,531.10 and 7,228,136.94 is: 9,974,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,355.02 : 17,980,531.10 = 7,228,136.94 : x
  2. Step 2: Convert to fraction form
    13,029,355.02/17,980,531.10 = 7,228,136.94/x
  3. Step 3: Cross multiply
    13,029,355.02x = 17,980,531.10 × 7,228,136.94
  4. Step 4: Simplify right side
    13,029,355.02x = 129,965,741,044,728.86
  5. Step 5: Solve for x
    x = 129,965,741,044,728.86/13,029,355.02
  6. Step 6: Final answer
    x = 9,974,840.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.