Home / 13,337,046.77-18,405,143.21-7,225,475.27

Finding the Fourth Proportional to 13,337,046.77, 18,405,143.21 and 7,225,475.27

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Solution

The fourth proportional to 13,337,046.77, 18,405,143.21 and 7,225,475.27 is: 9,971,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,046.77 : 18,405,143.21 = 7,225,475.27 : x
  2. Step 2: Convert to fraction form
    13,337,046.77/18,405,143.21 = 7,225,475.27/x
  3. Step 3: Cross multiply
    13,337,046.77x = 18,405,143.21 × 7,225,475.27
  4. Step 4: Simplify right side
    13,337,046.77x = 132,985,906,976,510.31
  5. Step 5: Solve for x
    x = 132,985,906,976,510.31/13,337,046.77
  6. Step 6: Final answer
    x = 9,971,165.98

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Double scale
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1.5x scale

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.