Home / 20,592,495.91-28,417,647.90-11,425,116.79

Finding the Fourth Proportional to 20,592,495.91, 28,417,647.90 and 11,425,116.79

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Solution

The fourth proportional to 20,592,495.91, 28,417,647.90 and 11,425,116.79 is: 15,766,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,495.91 : 28,417,647.90 = 11,425,116.79 : x
  2. Step 2: Convert to fraction form
    20,592,495.91/28,417,647.90 = 11,425,116.79/x
  3. Step 3: Cross multiply
    20,592,495.91x = 28,417,647.90 × 11,425,116.79
  4. Step 4: Simplify right side
    20,592,495.91x = 324,674,946,154,598.19
  5. Step 5: Solve for x
    x = 324,674,946,154,598.19/20,592,495.91
  6. Step 6: Final answer
    x = 15,766,663.14

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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.