Home / 12,671,159.76-17,486,544.75-7,165,358.31

Finding the Fourth Proportional to 12,671,159.76, 17,486,544.75 and 7,165,358.31

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Solution

The fourth proportional to 12,671,159.76, 17,486,544.75 and 7,165,358.31 is: 9,888,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,159.76 : 17,486,544.75 = 7,165,358.31 : x
  2. Step 2: Convert to fraction form
    12,671,159.76/17,486,544.75 = 7,165,358.31/x
  3. Step 3: Cross multiply
    12,671,159.76x = 17,486,544.75 × 7,165,358.31
  4. Step 4: Simplify right side
    12,671,159.76x = 125,297,358,737,599.36
  5. Step 5: Solve for x
    x = 125,297,358,737,599.36/12,671,159.76
  6. Step 6: Final answer
    x = 9,888,389.15

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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.