Home / 47,778,790.28-71,641,597.26-28,355,909

Finding the Fourth Proportional to 47,778,790.28, 71,641,597.26 and 28,355,909

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Solution

The fourth proportional to 47,778,790.28, 71,641,597.26 and 28,355,909 is: 42,518,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778,790.28 : 71,641,597.26 = 28,355,909 : x
  2. Step 2: Convert to fraction form
    47,778,790.28/71,641,597.26 = 28,355,909/x
  3. Step 3: Cross multiply
    47,778,790.28x = 71,641,597.26 × 28,355,909
  4. Step 4: Simplify right side
    47,778,790.28x = 2,031,462,612,519,209.50
  5. Step 5: Solve for x
    x = 2,031,462,612,519,209.50/47,778,790.28
  6. Step 6: Final answer
    x = 42,518,083.87

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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.