Home / 21,013,010.32-31,522,096.14-7,182,257.08

Finding the Fourth Proportional to 21,013,010.32, 31,522,096.14 and 7,182,257.08

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Solution

The fourth proportional to 21,013,010.32, 31,522,096.14 and 7,182,257.08 is: 10,774,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,010.32 : 31,522,096.14 = 7,182,257.08 : x
  2. Step 2: Convert to fraction form
    21,013,010.32/31,522,096.14 = 7,182,257.08/x
  3. Step 3: Cross multiply
    21,013,010.32x = 31,522,096.14 × 7,182,257.08
  4. Step 4: Simplify right side
    21,013,010.32x = 226,399,798,177,955.69
  5. Step 5: Solve for x
    x = 226,399,798,177,955.69/21,013,010.32
  6. Step 6: Final answer
    x = 10,774,267.69

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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.