Home / 21,720,010.20-32,559,279.30-8,069,501.40

Finding the Fourth Proportional to 21,720,010.20, 32,559,279.30 and 8,069,501.40

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Solution

The fourth proportional to 21,720,010.20, 32,559,279.30 and 8,069,501.40 is: 12,096,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,010.20 : 32,559,279.30 = 8,069,501.40 : x
  2. Step 2: Convert to fraction form
    21,720,010.20/32,559,279.30 = 8,069,501.40/x
  3. Step 3: Cross multiply
    21,720,010.20x = 32,559,279.30 × 8,069,501.40
  4. Step 4: Simplify right side
    21,720,010.20x = 262,737,149,894,341.03
  5. Step 5: Solve for x
    x = 262,737,149,894,341.03/21,720,010.20
  6. Step 6: Final answer
    x = 12,096,548.18

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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.