Home / 15,665,777.52-21,618,947.16-8,696,926.32

Finding the Fourth Proportional to 15,665,777.52, 21,618,947.16 and 8,696,926.32

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Solution

The fourth proportional to 15,665,777.52, 21,618,947.16 and 8,696,926.32 is: 12,001,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,777.52 : 21,618,947.16 = 8,696,926.32 : x
  2. Step 2: Convert to fraction form
    15,665,777.52/21,618,947.16 = 8,696,926.32/x
  3. Step 3: Cross multiply
    15,665,777.52x = 21,618,947.16 × 8,696,926.32
  4. Step 4: Simplify right side
    15,665,777.52x = 188,018,390,566,493.25
  5. Step 5: Solve for x
    x = 188,018,390,566,493.25/15,665,777.52
  6. Step 6: Final answer
    x = 12,001,855.02

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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.