Home / 7,013,430.60-10,520,145.90-4,019,152.20

Finding the Fourth Proportional to 7,013,430.60, 10,520,145.90 and 4,019,152.20

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Solution

The fourth proportional to 7,013,430.60, 10,520,145.90 and 4,019,152.20 is: 6,028,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,430.60 : 10,520,145.90 = 4,019,152.20 : x
  2. Step 2: Convert to fraction form
    7,013,430.60/10,520,145.90 = 4,019,152.20/x
  3. Step 3: Cross multiply
    7,013,430.60x = 10,520,145.90 × 4,019,152.20
  4. Step 4: Simplify right side
    7,013,430.60x = 42,282,067,538,305.98
  5. Step 5: Solve for x
    x = 42,282,067,538,305.98/7,013,430.60
  6. Step 6: Final answer
    x = 6,028,728.30

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Similar ratio
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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.