Home / 28,404,979.15-42,607,468.73-19,712,966.35

Finding the Fourth Proportional to 28,404,979.15, 42,607,468.73 and 19,712,966.35

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Solution

The fourth proportional to 28,404,979.15, 42,607,468.73 and 19,712,966.35 is: 29,569,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,979.15 : 42,607,468.73 = 19,712,966.35 : x
  2. Step 2: Convert to fraction form
    28,404,979.15/42,607,468.73 = 19,712,966.35/x
  3. Step 3: Cross multiply
    28,404,979.15x = 42,607,468.73 × 19,712,966.35
  4. Step 4: Simplify right side
    28,404,979.15x = 839,919,597,333,167.25
  5. Step 5: Solve for x
    x = 839,919,597,333,167.25/28,404,979.15
  6. Step 6: Final answer
    x = 29,569,449.53

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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.