Home / 13,488,565.39-18,613,094.92-7,607,875.48

Finding the Fourth Proportional to 13,488,565.39, 18,613,094.92 and 7,607,875.48

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Solution

The fourth proportional to 13,488,565.39, 18,613,094.92 and 7,607,875.48 is: 10,498,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,565.39 : 18,613,094.92 = 7,607,875.48 : x
  2. Step 2: Convert to fraction form
    13,488,565.39/18,613,094.92 = 7,607,875.48/x
  3. Step 3: Cross multiply
    13,488,565.39x = 18,613,094.92 × 7,607,875.48
  4. Step 4: Simplify right side
    13,488,565.39x = 141,606,108,383,228.12
  5. Step 5: Solve for x
    x = 141,606,108,383,228.12/13,488,565.39
  6. Step 6: Final answer
    x = 10,498,233.45

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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.