Home / 20,103,788.70-30,155,683.05-16,755,710.40

Finding the Fourth Proportional to 20,103,788.70, 30,155,683.05 and 16,755,710.40

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Solution

The fourth proportional to 20,103,788.70, 30,155,683.05 and 16,755,710.40 is: 25,133,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,788.70 : 30,155,683.05 = 16,755,710.40 : x
  2. Step 2: Convert to fraction form
    20,103,788.70/30,155,683.05 = 16,755,710.40/x
  3. Step 3: Cross multiply
    20,103,788.70x = 30,155,683.05 × 16,755,710.40
  4. Step 4: Simplify right side
    20,103,788.70x = 505,279,892,099,988.75
  5. Step 5: Solve for x
    x = 505,279,892,099,988.75/20,103,788.70
  6. Step 6: Final answer
    x = 25,133,565.60

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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.