Home / 21,490,720.20-32,236,080.30-19,506,673.80

Finding the Fourth Proportional to 21,490,720.20, 32,236,080.30 and 19,506,673.80

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Solution

The fourth proportional to 21,490,720.20, 32,236,080.30 and 19,506,673.80 is: 29,260,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,720.20 : 32,236,080.30 = 19,506,673.80 : x
  2. Step 2: Convert to fraction form
    21,490,720.20/32,236,080.30 = 19,506,673.80/x
  3. Step 3: Cross multiply
    21,490,720.20x = 32,236,080.30 × 19,506,673.80
  4. Step 4: Simplify right side
    21,490,720.20x = 628,818,703,002,706.12
  5. Step 5: Solve for x
    x = 628,818,703,002,706.12/21,490,720.20
  6. Step 6: Final answer
    x = 29,260,010.70

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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.