Home / 19,675,807.20-29,513,710.80-15,565,996.80

Finding the Fourth Proportional to 19,675,807.20, 29,513,710.80 and 15,565,996.80

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Solution

The fourth proportional to 19,675,807.20, 29,513,710.80 and 15,565,996.80 is: 23,348,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675,807.20 : 29,513,710.80 = 15,565,996.80 : x
  2. Step 2: Convert to fraction form
    19,675,807.20/29,513,710.80 = 15,565,996.80/x
  3. Step 3: Cross multiply
    19,675,807.20x = 29,513,710.80 × 15,565,996.80
  4. Step 4: Simplify right side
    19,675,807.20x = 459,410,327,868,925.50
  5. Step 5: Solve for x
    x = 459,410,327,868,925.50/19,675,807.20
  6. Step 6: Final answer
    x = 23,348,995.20

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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.