Home / 13,423,825.04-18,524,281.01-7,842,588.89

Finding the Fourth Proportional to 13,423,825.04, 18,524,281.01 and 7,842,588.89

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Solution

The fourth proportional to 13,423,825.04, 18,524,281.01 and 7,842,588.89 is: 10,822,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,825.04 : 18,524,281.01 = 7,842,588.89 : x
  2. Step 2: Convert to fraction form
    13,423,825.04/18,524,281.01 = 7,842,588.89/x
  3. Step 3: Cross multiply
    13,423,825.04x = 18,524,281.01 × 7,842,588.89
  4. Step 4: Simplify right side
    13,423,825.04x = 145,278,320,312,429.62
  5. Step 5: Solve for x
    x = 145,278,320,312,429.62/13,423,825.04
  6. Step 6: Final answer
    x = 10,822,423.56

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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.