Home / 28,931,539.60-43,381,541.40-8,734,157.20

Finding the Fourth Proportional to 28,931,539.60, 43,381,541.40 and 8,734,157.20

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Solution

The fourth proportional to 28,931,539.60, 43,381,541.40 and 8,734,157.20 is: 13,096,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,539.60 : 43,381,541.40 = 8,734,157.20 : x
  2. Step 2: Convert to fraction form
    28,931,539.60/43,381,541.40 = 8,734,157.20/x
  3. Step 3: Cross multiply
    28,931,539.60x = 43,381,541.40 × 8,734,157.20
  4. Step 4: Simplify right side
    28,931,539.60x = 378,901,202,165,908.06
  5. Step 5: Solve for x
    x = 378,901,202,165,908.06/28,931,539.60
  6. Step 6: Final answer
    x = 13,096,475.59

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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.