Home / 39,168,000.20-58,752,000.30-28,418,457.80

Finding the Fourth Proportional to 39,168,000.20, 58,752,000.30 and 28,418,457.80

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Solution

The fourth proportional to 39,168,000.20, 58,752,000.30 and 28,418,457.80 is: 42,627,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168,000.20 : 58,752,000.30 = 28,418,457.80 : x
  2. Step 2: Convert to fraction form
    39,168,000.20/58,752,000.30 = 28,418,457.80/x
  3. Step 3: Cross multiply
    39,168,000.20x = 58,752,000.30 × 28,418,457.80
  4. Step 4: Simplify right side
    39,168,000.20x = 1,669,641,241,191,137.25
  5. Step 5: Solve for x
    x = 1,669,641,241,191,137.25/39,168,000.20
  6. Step 6: Final answer
    x = 42,627,686.70

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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.