Home / 15,435,647.74-21,301,224.65-8,466,382.23

Finding the Fourth Proportional to 15,435,647.74, 21,301,224.65 and 8,466,382.23

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Solution

The fourth proportional to 15,435,647.74, 21,301,224.65 and 8,466,382.23 is: 11,683,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,647.74 : 21,301,224.65 = 8,466,382.23 : x
  2. Step 2: Convert to fraction form
    15,435,647.74/21,301,224.65 = 8,466,382.23/x
  3. Step 3: Cross multiply
    15,435,647.74x = 21,301,224.65 × 8,466,382.23
  4. Step 4: Simplify right side
    15,435,647.74x = 180,344,309,853,997.97
  5. Step 5: Solve for x
    x = 180,344,309,853,997.97/15,435,647.74
  6. Step 6: Final answer
    x = 11,683,624.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.