Home / 15,423,677.76-21,283,856.01-8,896,918.92

Finding the Fourth Proportional to 15,423,677.76, 21,283,856.01 and 8,896,918.92

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Solution

The fourth proportional to 15,423,677.76, 21,283,856.01 and 8,896,918.92 is: 12,277,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,677.76 : 21,283,856.01 = 8,896,918.92 : x
  2. Step 2: Convert to fraction form
    15,423,677.76/21,283,856.01 = 8,896,918.92/x
  3. Step 3: Cross multiply
    15,423,677.76x = 21,283,856.01 × 8,896,918.92
  4. Step 4: Simplify right side
    15,423,677.76x = 189,360,741,225,924.72
  5. Step 5: Solve for x
    x = 189,360,741,225,924.72/15,423,677.76
  6. Step 6: Final answer
    x = 12,277,275.51

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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.