Home / 13,335,574.42-18,403,149.09-7,224,002.92

Finding the Fourth Proportional to 13,335,574.42, 18,403,149.09 and 7,224,002.92

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Solution

The fourth proportional to 13,335,574.42, 18,403,149.09 and 7,224,002.92 is: 9,969,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335,574.42 : 18,403,149.09 = 7,224,002.92 : x
  2. Step 2: Convert to fraction form
    13,335,574.42/18,403,149.09 = 7,224,002.92/x
  3. Step 3: Cross multiply
    13,335,574.42x = 18,403,149.09 × 7,224,002.92
  4. Step 4: Simplify right side
    13,335,574.42x = 132,944,402,763,355.34
  5. Step 5: Solve for x
    x = 132,944,402,763,355.34/13,335,574.42
  6. Step 6: Final answer
    x = 9,969,154.58

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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.