Home / 7,185,388.60-10,778,082.90-6,760,235.80

Finding the Fourth Proportional to 7,185,388.60, 10,778,082.90 and 6,760,235.80

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Solution

The fourth proportional to 7,185,388.60, 10,778,082.90 and 6,760,235.80 is: 10,140,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,388.60 : 10,778,082.90 = 6,760,235.80 : x
  2. Step 2: Convert to fraction form
    7,185,388.60/10,778,082.90 = 6,760,235.80/x
  3. Step 3: Cross multiply
    7,185,388.60x = 10,778,082.90 × 6,760,235.80
  4. Step 4: Simplify right side
    7,185,388.60x = 72,862,381,875,947.83
  5. Step 5: Solve for x
    x = 72,862,381,875,947.83/7,185,388.60
  6. Step 6: Final answer
    x = 10,140,353.70

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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.