Home / 13,423,822.40-18,524,277.38-7,842,586.25

Finding the Fourth Proportional to 13,423,822.40, 18,524,277.38 and 7,842,586.25

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Solution

The fourth proportional to 13,423,822.40, 18,524,277.38 and 7,842,586.25 is: 10,822,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,822.40 : 18,524,277.38 = 7,842,586.25 : x
  2. Step 2: Convert to fraction form
    13,423,822.40/18,524,277.38 = 7,842,586.25/x
  3. Step 3: Cross multiply
    13,423,822.40x = 18,524,277.38 × 7,842,586.25
  4. Step 4: Simplify right side
    13,423,822.40x = 145,278,243,137,491.19
  5. Step 5: Solve for x
    x = 145,278,243,137,491.19/13,423,822.40
  6. Step 6: Final answer
    x = 10,822,419.93

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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.