Home / 21,559,101.60-32,343,145.20-7,186,634.40

Finding the Fourth Proportional to 21,559,101.60, 32,343,145.20 and 7,186,634.40

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Solution

The fourth proportional to 21,559,101.60, 32,343,145.20 and 7,186,634.40 is: 10,781,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,101.60 : 32,343,145.20 = 7,186,634.40 : x
  2. Step 2: Convert to fraction form
    21,559,101.60/32,343,145.20 = 7,186,634.40/x
  3. Step 3: Cross multiply
    21,559,101.60x = 32,343,145.20 × 7,186,634.40
  4. Step 4: Simplify right side
    21,559,101.60x = 232,438,359,898,514.88
  5. Step 5: Solve for x
    x = 232,438,359,898,514.88/21,559,101.60
  6. Step 6: Final answer
    x = 10,781,449.26

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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.