Home / 20,894,548.48-28,833,900.80-12,526,649.04

Finding the Fourth Proportional to 20,894,548.48, 28,833,900.80 and 12,526,649.04

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Solution

The fourth proportional to 20,894,548.48, 28,833,900.80 and 12,526,649.04 is: 17,286,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,548.48 : 28,833,900.80 = 12,526,649.04 : x
  2. Step 2: Convert to fraction form
    20,894,548.48/28,833,900.80 = 12,526,649.04/x
  3. Step 3: Cross multiply
    20,894,548.48x = 28,833,900.80 × 12,526,649.04
  4. Step 4: Simplify right side
    20,894,548.48x = 361,192,155,775,775.19
  5. Step 5: Solve for x
    x = 361,192,155,775,775.19/20,894,548.48
  6. Step 6: Final answer
    x = 17,286,430.29

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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.