Home / 28,307,755,797.12-39,065,533,220.97-15,448,226,061.15

Finding the Fourth Proportional to 28,307,755,797.12, 39,065,533,220.97 and 15,448,226,061.15

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Solution

The fourth proportional to 28,307,755,797.12, 39,065,533,220.97 and 15,448,226,061.15 is: 21,319,005,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307,755,797.12 : 39,065,533,220.97 = 15,448,226,061.15 : x
  2. Step 2: Convert to fraction form
    28,307,755,797.12/39,065,533,220.97 = 15,448,226,061.15/x
  3. Step 3: Cross multiply
    28,307,755,797.12x = 39,065,533,220.97 × 15,448,226,061.15
  4. Step 4: Simplify right side
    28,307,755,797.12x = 603,493,188,396,909,854,720
  5. Step 5: Solve for x
    x = 603,493,188,396,909,854,720/28,307,755,797.12
  6. Step 6: Final answer
    x = 21,319,005,036.01

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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.