Home / 7,152,055.10-10,728,082.65-4,459,420.70

Finding the Fourth Proportional to 7,152,055.10, 10,728,082.65 and 4,459,420.70

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Solution

The fourth proportional to 7,152,055.10, 10,728,082.65 and 4,459,420.70 is: 6,689,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,055.10 : 10,728,082.65 = 4,459,420.70 : x
  2. Step 2: Convert to fraction form
    7,152,055.10/10,728,082.65 = 4,459,420.70/x
  3. Step 3: Cross multiply
    7,152,055.10x = 10,728,082.65 × 4,459,420.70
  4. Step 4: Simplify right side
    7,152,055.10x = 47,841,033,840,720.86
  5. Step 5: Solve for x
    x = 47,841,033,840,720.86/7,152,055.10
  6. Step 6: Final answer
    x = 6,689,131.05

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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.