Home / 7,447,068.60-11,171,915.10-2,657,538.60

Finding the Fourth Proportional to 7,447,068.60, 11,171,915.10 and 2,657,538.60

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Solution

The fourth proportional to 7,447,068.60, 11,171,915.10 and 2,657,538.60 is: 3,986,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,068.60 : 11,171,915.10 = 2,657,538.60 : x
  2. Step 2: Convert to fraction form
    7,447,068.60/11,171,915.10 = 2,657,538.60/x
  3. Step 3: Cross multiply
    7,447,068.60x = 11,171,915.10 × 2,657,538.60
  4. Step 4: Simplify right side
    7,447,068.60x = 29,689,795,614,172.86
  5. Step 5: Solve for x
    x = 29,689,795,614,172.86/7,447,068.60
  6. Step 6: Final answer
    x = 3,986,776.17

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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.