Home / 28,931,529.60-43,381,526.40-8,734,147.20

Finding the Fourth Proportional to 28,931,529.60, 43,381,526.40 and 8,734,147.20

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Solution

The fourth proportional to 28,931,529.60, 43,381,526.40 and 8,734,147.20 is: 13,096,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,529.60 : 43,381,526.40 = 8,734,147.20 : x
  2. Step 2: Convert to fraction form
    28,931,529.60/43,381,526.40 = 8,734,147.20/x
  3. Step 3: Cross multiply
    28,931,529.60x = 43,381,526.40 × 8,734,147.20
  4. Step 4: Simplify right side
    28,931,529.60x = 378,900,637,338,286.06
  5. Step 5: Solve for x
    x = 378,900,637,338,286.06/28,931,529.60
  6. Step 6: Final answer
    x = 13,096,460.59

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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.