Home / 20,046,601.20-30,069,901.80-4,900,532.70

Finding the Fourth Proportional to 20,046,601.20, 30,069,901.80 and 4,900,532.70

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Solution

The fourth proportional to 20,046,601.20, 30,069,901.80 and 4,900,532.70 is: 7,350,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,601.20 : 30,069,901.80 = 4,900,532.70 : x
  2. Step 2: Convert to fraction form
    20,046,601.20/30,069,901.80 = 4,900,532.70/x
  3. Step 3: Cross multiply
    20,046,601.20x = 30,069,901.80 × 4,900,532.70
  4. Step 4: Simplify right side
    20,046,601.20x = 147,358,537,056,688.88
  5. Step 5: Solve for x
    x = 147,358,537,056,688.88/20,046,601.20
  6. Step 6: Final answer
    x = 7,350,799.05

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1.5x scale

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.