Home / 21,090,227.72-31,634,729.15-6,714,158.18

Finding the Fourth Proportional to 21,090,227.72, 31,634,729.15 and 6,714,158.18

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Solution

The fourth proportional to 21,090,227.72, 31,634,729.15 and 6,714,158.18 is: 10,071,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,227.72 : 31,634,729.15 = 6,714,158.18 : x
  2. Step 2: Convert to fraction form
    21,090,227.72/31,634,729.15 = 6,714,158.18/x
  3. Step 3: Cross multiply
    21,090,227.72x = 31,634,729.15 × 6,714,158.18
  4. Step 4: Simplify right side
    21,090,227.72x = 212,400,575,302,812.50
  5. Step 5: Solve for x
    x = 212,400,575,302,812.50/21,090,227.72
  6. Step 6: Final answer
    x = 10,071,042.29

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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.