Home / 9,055,315.90-12,495,200.92-6,121,516.31

Finding the Fourth Proportional to 9,055,315.90, 12,495,200.92 and 6,121,516.31

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Solution

The fourth proportional to 9,055,315.90, 12,495,200.92 and 6,121,516.31 is: 8,446,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055,315.90 : 12,495,200.92 = 6,121,516.31 : x
  2. Step 2: Convert to fraction form
    9,055,315.90/12,495,200.92 = 6,121,516.31/x
  3. Step 3: Cross multiply
    9,055,315.90x = 12,495,200.92 × 6,121,516.31
  4. Step 4: Simplify right side
    9,055,315.90x = 76,489,576,166,031
  5. Step 5: Solve for x
    x = 76,489,576,166,031/9,055,315.90
  6. Step 6: Final answer
    x = 8,446,925.21

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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.