Home / 20,067,068.60-30,100,602.90-4,921,000.10

Finding the Fourth Proportional to 20,067,068.60, 30,100,602.90 and 4,921,000.10

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Solution

The fourth proportional to 20,067,068.60, 30,100,602.90 and 4,921,000.10 is: 7,381,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,068.60 : 30,100,602.90 = 4,921,000.10 : x
  2. Step 2: Convert to fraction form
    20,067,068.60/30,100,602.90 = 4,921,000.10/x
  3. Step 3: Cross multiply
    20,067,068.60x = 30,100,602.90 × 4,921,000.10
  4. Step 4: Simplify right side
    20,067,068.60x = 148,125,069,880,960.28
  5. Step 5: Solve for x
    x = 148,125,069,880,960.28/20,067,068.60
  6. Step 6: Final answer
    x = 7,381,500.15

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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.