Home / 13,148,422.66-18,144,475.18-7,347,252.07

Finding the Fourth Proportional to 13,148,422.66, 18,144,475.18 and 7,347,252.07

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Solution

The fourth proportional to 13,148,422.66, 18,144,475.18 and 7,347,252.07 is: 10,139,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,422.66 : 18,144,475.18 = 7,347,252.07 : x
  2. Step 2: Convert to fraction form
    13,148,422.66/18,144,475.18 = 7,347,252.07/x
  3. Step 3: Cross multiply
    13,148,422.66x = 18,144,475.18 × 7,347,252.07
  4. Step 4: Simplify right side
    13,148,422.66x = 133,312,032,825,318.62
  5. Step 5: Solve for x
    x = 133,312,032,825,318.62/13,148,422.66
  6. Step 6: Final answer
    x = 10,139,013.35

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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.