Home / 20,342,323.15-30,513,484.73-13,528,068.55

Finding the Fourth Proportional to 20,342,323.15, 30,513,484.73 and 13,528,068.55

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Solution

The fourth proportional to 20,342,323.15, 30,513,484.73 and 13,528,068.55 is: 20,292,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,323.15 : 30,513,484.73 = 13,528,068.55 : x
  2. Step 2: Convert to fraction form
    20,342,323.15/30,513,484.73 = 13,528,068.55/x
  3. Step 3: Cross multiply
    20,342,323.15x = 30,513,484.73 × 13,528,068.55
  4. Step 4: Simplify right side
    20,342,323.15x = 412,788,513,126,818.25
  5. Step 5: Solve for x
    x = 412,788,513,126,818.25/20,342,323.15
  6. Step 6: Final answer
    x = 20,292,102.83

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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.