Home / 12,971,966.01-17,900,460.03-7,464,451.95

Finding the Fourth Proportional to 12,971,966.01, 17,900,460.03 and 7,464,451.95

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Solution

The fourth proportional to 12,971,966.01, 17,900,460.03 and 7,464,451.95 is: 10,300,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971,966.01 : 17,900,460.03 = 7,464,451.95 : x
  2. Step 2: Convert to fraction form
    12,971,966.01/17,900,460.03 = 7,464,451.95/x
  3. Step 3: Cross multiply
    12,971,966.01x = 17,900,460.03 × 7,464,451.95
  4. Step 4: Simplify right side
    12,971,966.01x = 133,617,123,776,830.58
  5. Step 5: Solve for x
    x = 133,617,123,776,830.58/12,971,966.01
  6. Step 6: Final answer
    x = 10,300,452.81

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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.