Home / 7,290,147.80-10,935,221.70-4,420,366.40

Finding the Fourth Proportional to 7,290,147.80, 10,935,221.70 and 4,420,366.40

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Solution

The fourth proportional to 7,290,147.80, 10,935,221.70 and 4,420,366.40 is: 6,630,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,147.80 : 10,935,221.70 = 4,420,366.40 : x
  2. Step 2: Convert to fraction form
    7,290,147.80/10,935,221.70 = 4,420,366.40/x
  3. Step 3: Cross multiply
    7,290,147.80x = 10,935,221.70 × 4,420,366.40
  4. Step 4: Simplify right side
    7,290,147.80x = 48,337,686,579,230.88
  5. Step 5: Solve for x
    x = 48,337,686,579,230.88/7,290,147.80
  6. Step 6: Final answer
    x = 6,630,549.60

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Double scale
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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.