Home / 18,569,747.65-27,852,970.28-6,438,939.79

Finding the Fourth Proportional to 18,569,747.65, 27,852,970.28 and 6,438,939.79

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Solution

The fourth proportional to 18,569,747.65, 27,852,970.28 and 6,438,939.79 is: 9,657,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,747.65 : 27,852,970.28 = 6,438,939.79 : x
  2. Step 2: Convert to fraction form
    18,569,747.65/27,852,970.28 = 6,438,939.79/x
  3. Step 3: Cross multiply
    18,569,747.65x = 27,852,970.28 × 6,438,939.79
  4. Step 4: Simplify right side
    18,569,747.65x = 179,343,598,466,314.59
  5. Step 5: Solve for x
    x = 179,343,598,466,314.59/18,569,747.65
  6. Step 6: Final answer
    x = 9,657,837.14

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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.