Home / 19,720,003.60-29,580,005.40-16,402,243.60

Finding the Fourth Proportional to 19,720,003.60, 29,580,005.40 and 16,402,243.60

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Solution

The fourth proportional to 19,720,003.60, 29,580,005.40 and 16,402,243.60 is: 24,603,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,003.60 : 29,580,005.40 = 16,402,243.60 : x
  2. Step 2: Convert to fraction form
    19,720,003.60/29,580,005.40 = 16,402,243.60/x
  3. Step 3: Cross multiply
    19,720,003.60x = 29,580,005.40 × 16,402,243.60
  4. Step 4: Simplify right side
    19,720,003.60x = 485,178,454,260,115.38
  5. Step 5: Solve for x
    x = 485,178,454,260,115.38/19,720,003.60
  6. Step 6: Final answer
    x = 24,603,365.40

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1.5x scale

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.