Home / 28,341,970.07-42,519,700.98-9,172,727.15

Finding the Fourth Proportional to 28,341,970.07, 42,519,700.98 and 9,172,727.15

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Solution

The fourth proportional to 28,341,970.07, 42,519,700.98 and 9,172,727.15 is: 13,761,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,970.07 : 42,519,700.98 = 9,172,727.15 : x
  2. Step 2: Convert to fraction form
    28,341,970.07/42,519,700.98 = 9,172,727.15/x
  3. Step 3: Cross multiply
    28,341,970.07x = 42,519,700.98 × 9,172,727.15
  4. Step 4: Simplify right side
    28,341,970.07x = 390,021,615,376,529.06
  5. Step 5: Solve for x
    x = 390,021,615,376,529.06/28,341,970.07
  6. Step 6: Final answer
    x = 13,761,273.99

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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.