Home / 20,160,915.30-30,241,372.95-11,657,859.30

Finding the Fourth Proportional to 20,160,915.30, 30,241,372.95 and 11,657,859.30

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Solution

The fourth proportional to 20,160,915.30, 30,241,372.95 and 11,657,859.30 is: 17,486,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,915.30 : 30,241,372.95 = 11,657,859.30 : x
  2. Step 2: Convert to fraction form
    20,160,915.30/30,241,372.95 = 11,657,859.30/x
  3. Step 3: Cross multiply
    20,160,915.30x = 30,241,372.95 × 11,657,859.30
  4. Step 4: Simplify right side
    20,160,915.30x = 352,549,670,889,925.94
  5. Step 5: Solve for x
    x = 352,549,670,889,925.94/20,160,915.30
  6. Step 6: Final answer
    x = 17,486,788.95

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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.