Home / 13,453,057.08-18,565,613.10-7,341,878.52

Finding the Fourth Proportional to 13,453,057.08, 18,565,613.10 and 7,341,878.52

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Solution

The fourth proportional to 13,453,057.08, 18,565,613.10 and 7,341,878.52 is: 10,132,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,057.08 : 18,565,613.10 = 7,341,878.52 : x
  2. Step 2: Convert to fraction form
    13,453,057.08/18,565,613.10 = 7,341,878.52/x
  3. Step 3: Cross multiply
    13,453,057.08x = 18,565,613.10 × 7,341,878.52
  4. Step 4: Simplify right side
    13,453,057.08x = 136,306,476,029,520.61
  5. Step 5: Solve for x
    x = 136,306,476,029,520.61/13,453,057.08
  6. Step 6: Final answer
    x = 10,132,007.56

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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.