Home / 15,202,406.90-20,979,594.14-8,326,446.10

Finding the Fourth Proportional to 15,202,406.90, 20,979,594.14 and 8,326,446.10

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Solution

The fourth proportional to 15,202,406.90, 20,979,594.14 and 8,326,446.10 is: 11,490,644.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,406.90 : 20,979,594.14 = 8,326,446.10 : x
  2. Step 2: Convert to fraction form
    15,202,406.90/20,979,594.14 = 8,326,446.10/x
  3. Step 3: Cross multiply
    15,202,406.90x = 20,979,594.14 × 8,326,446.10
  4. Step 4: Simplify right side
    15,202,406.90x = 174,685,459,712,504.66
  5. Step 5: Solve for x
    x = 174,685,459,712,504.66/15,202,406.90
  6. Step 6: Final answer
    x = 11,490,644.92

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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.