Home / 13,403,322.50-18,496,002.14-7,442,358.14

Finding the Fourth Proportional to 13,403,322.50, 18,496,002.14 and 7,442,358.14

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Solution

The fourth proportional to 13,403,322.50, 18,496,002.14 and 7,442,358.14 is: 10,270,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,322.50 : 18,496,002.14 = 7,442,358.14 : x
  2. Step 2: Convert to fraction form
    13,403,322.50/18,496,002.14 = 7,442,358.14/x
  3. Step 3: Cross multiply
    13,403,322.50x = 18,496,002.14 × 7,442,358.14
  4. Step 4: Simplify right side
    13,403,322.50x = 137,653,872,084,086.42
  5. Step 5: Solve for x
    x = 137,653,872,084,086.42/13,403,322.50
  6. Step 6: Final answer
    x = 10,270,130.57

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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.