Home / 13,337,046.57-18,405,142.95-7,225,475.07

Finding the Fourth Proportional to 13,337,046.57, 18,405,142.95 and 7,225,475.07

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Solution

The fourth proportional to 13,337,046.57, 18,405,142.95 and 7,225,475.07 is: 9,971,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,046.57 : 18,405,142.95 = 7,225,475.07 : x
  2. Step 2: Convert to fraction form
    13,337,046.57/18,405,142.95 = 7,225,475.07/x
  3. Step 3: Cross multiply
    13,337,046.57x = 18,405,142.95 × 7,225,475.07
  4. Step 4: Simplify right side
    13,337,046.57x = 132,985,901,545,011.25
  5. Step 5: Solve for x
    x = 132,985,901,545,011.25/13,337,046.57
  6. Step 6: Final answer
    x = 9,971,165.72

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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.