Home / 15,979,686.40-23,979,371.10-6,886,140.40

Finding the Fourth Proportional to 15,979,686.40, 23,979,371.10 and 6,886,140.40

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Solution

The fourth proportional to 15,979,686.40, 23,979,371.10 and 6,886,140.40 is: 10,333,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,686.40 : 23,979,371.10 = 6,886,140.40 : x
  2. Step 2: Convert to fraction form
    15,979,686.40/23,979,371.10 = 6,886,140.40/x
  3. Step 3: Cross multiply
    15,979,686.40x = 23,979,371.10 × 6,886,140.40
  4. Step 4: Simplify right side
    15,979,686.40x = 165,125,316,098,302.47
  5. Step 5: Solve for x
    x = 165,125,316,098,302.47/15,979,686.40
  6. Step 6: Final answer
    x = 10,333,451.61

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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.