Home / 14,581,337.50-20,122,245.75-8,142,809.50

Finding the Fourth Proportional to 14,581,337.50, 20,122,245.75 and 8,142,809.50

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Solution

The fourth proportional to 14,581,337.50, 20,122,245.75 and 8,142,809.50 is: 11,237,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581,337.50 : 20,122,245.75 = 8,142,809.50 : x
  2. Step 2: Convert to fraction form
    14,581,337.50/20,122,245.75 = 8,142,809.50/x
  3. Step 3: Cross multiply
    14,581,337.50x = 20,122,245.75 × 8,142,809.50
  4. Step 4: Simplify right side
    14,581,337.50x = 163,851,613,854,434.62
  5. Step 5: Solve for x
    x = 163,851,613,854,434.62/14,581,337.50
  6. Step 6: Final answer
    x = 11,237,077.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.