Home / 15,665,774.52-21,618,943.02-8,696,923.32

Finding the Fourth Proportional to 15,665,774.52, 21,618,943.02 and 8,696,923.32

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Solution

The fourth proportional to 15,665,774.52, 21,618,943.02 and 8,696,923.32 is: 12,001,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,774.52 : 21,618,943.02 = 8,696,923.32 : x
  2. Step 2: Convert to fraction form
    15,665,774.52/21,618,943.02 = 8,696,923.32/x
  3. Step 3: Cross multiply
    15,665,774.52x = 21,618,943.02 × 8,696,923.32
  4. Step 4: Simplify right side
    15,665,774.52x = 188,018,289,704,389.22
  5. Step 5: Solve for x
    x = 188,018,289,704,389.22/15,665,774.52
  6. Step 6: Final answer
    x = 12,001,850.88

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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.