Home / 13,429,284.95-20,148,915.28-9,328,445.30

Finding the Fourth Proportional to 13,429,284.95, 20,148,915.28 and 9,328,445.30

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Solution

The fourth proportional to 13,429,284.95, 20,148,915.28 and 9,328,445.30 is: 13,996,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,284.95 : 20,148,915.28 = 9,328,445.30 : x
  2. Step 2: Convert to fraction form
    13,429,284.95/20,148,915.28 = 9,328,445.30/x
  3. Step 3: Cross multiply
    13,429,284.95x = 20,148,915.28 × 9,328,445.30
  4. Step 4: Simplify right side
    13,429,284.95x = 187,958,054,100,419.06
  5. Step 5: Solve for x
    x = 187,958,054,100,419.06/13,429,284.95
  6. Step 6: Final answer
    x = 13,996,132.70

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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.