Home / 42,053,418.60-62,980,595.10-28,516,957.80

Finding the Fourth Proportional to 42,053,418.60, 62,980,595.10 and 28,516,957.80

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Solution

The fourth proportional to 42,053,418.60, 62,980,595.10 and 28,516,957.80 is: 42,707,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053,418.60 : 62,980,595.10 = 28,516,957.80 : x
  2. Step 2: Convert to fraction form
    42,053,418.60/62,980,595.10 = 28,516,957.80/x
  3. Step 3: Cross multiply
    42,053,418.60x = 62,980,595.10 × 28,516,957.80
  4. Step 4: Simplify right side
    42,053,418.60x = 1,796,014,972,685,586.75
  5. Step 5: Solve for x
    x = 1,796,014,972,685,586.75/42,053,418.60
  6. Step 6: Final answer
    x = 42,707,942.24

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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.