Home / 15,979,685.40-23,979,369.60-6,886,139.40

Finding the Fourth Proportional to 15,979,685.40, 23,979,369.60 and 6,886,139.40

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Solution

The fourth proportional to 15,979,685.40, 23,979,369.60 and 6,886,139.40 is: 10,333,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,685.40 : 23,979,369.60 = 6,886,139.40 : x
  2. Step 2: Convert to fraction form
    15,979,685.40/23,979,369.60 = 6,886,139.40/x
  3. Step 3: Cross multiply
    15,979,685.40x = 23,979,369.60 × 6,886,139.40
  4. Step 4: Simplify right side
    15,979,685.40x = 165,125,281,789,722.25
  5. Step 5: Solve for x
    x = 165,125,281,789,722.25/15,979,685.40
  6. Step 6: Final answer
    x = 10,333,450.11

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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.