Home / 8,513,143.72-12,758,626.14-3,458,545

Finding the Fourth Proportional to 8,513,143.72, 12,758,626.14 and 3,458,545

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Solution

The fourth proportional to 8,513,143.72, 12,758,626.14 and 3,458,545 is: 5,183,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,143.72 : 12,758,626.14 = 3,458,545 : x
  2. Step 2: Convert to fraction form
    8,513,143.72/12,758,626.14 = 3,458,545/x
  3. Step 3: Cross multiply
    8,513,143.72x = 12,758,626.14 × 3,458,545
  4. Step 4: Simplify right side
    8,513,143.72x = 44,126,282,643,366.30
  5. Step 5: Solve for x
    x = 44,126,282,643,366.30/8,513,143.72
  6. Step 6: Final answer
    x = 5,183,312.31

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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.