Home / 8,991,915.60-13,488,001.38-2,926,679.40

Finding the Fourth Proportional to 8,991,915.60, 13,488,001.38 and 2,926,679.40

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Solution

The fourth proportional to 8,991,915.60, 13,488,001.38 and 2,926,679.40 is: 4,390,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,915.60 : 13,488,001.38 = 2,926,679.40 : x
  2. Step 2: Convert to fraction form
    8,991,915.60/13,488,001.38 = 2,926,679.40/x
  3. Step 3: Cross multiply
    8,991,915.60x = 13,488,001.38 × 2,926,679.40
  4. Step 4: Simplify right side
    8,991,915.60x = 39,475,055,786,017.57
  5. Step 5: Solve for x
    x = 39,475,055,786,017.57/8,991,915.60
  6. Step 6: Final answer
    x = 4,390,060.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.