Home / 8,639,144.79-12,953,703.72-4,090,155.18

Finding the Fourth Proportional to 8,639,144.79, 12,953,703.72 and 4,090,155.18

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Solution

The fourth proportional to 8,639,144.79, 12,953,703.72 and 4,090,155.18 is: 6,132,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,144.79 : 12,953,703.72 = 4,090,155.18 : x
  2. Step 2: Convert to fraction form
    8,639,144.79/12,953,703.72 = 4,090,155.18/x
  3. Step 3: Cross multiply
    8,639,144.79x = 12,953,703.72 × 4,090,155.18
  4. Step 4: Simplify right side
    8,639,144.79x = 52,982,658,370,543.27
  5. Step 5: Solve for x
    x = 52,982,658,370,543.27/8,639,144.79
  6. Step 6: Final answer
    x = 6,132,859.17

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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.