Home / 28,259,248.80-42,304,892.40-16,893,847.20

Finding the Fourth Proportional to 28,259,248.80, 42,304,892.40 and 16,893,847.20

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Solution

The fourth proportional to 28,259,248.80, 42,304,892.40 and 16,893,847.20 is: 25,290,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259,248.80 : 42,304,892.40 = 16,893,847.20 : x
  2. Step 2: Convert to fraction form
    28,259,248.80/42,304,892.40 = 16,893,847.20/x
  3. Step 3: Cross multiply
    28,259,248.80x = 42,304,892.40 × 16,893,847.20
  4. Step 4: Simplify right side
    28,259,248.80x = 714,692,388,018,041.25
  5. Step 5: Solve for x
    x = 714,692,388,018,041.25/28,259,248.80
  6. Step 6: Final answer
    x = 25,290,565.69

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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.