Home / 7,406,562.96-10,221,071.81-4,143,432.20

Finding the Fourth Proportional to 7,406,562.96, 10,221,071.81 and 4,143,432.20

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Solution

The fourth proportional to 7,406,562.96, 10,221,071.81 and 4,143,432.20 is: 5,717,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406,562.96 : 10,221,071.81 = 4,143,432.20 : x
  2. Step 2: Convert to fraction form
    7,406,562.96/10,221,071.81 = 4,143,432.20/x
  3. Step 3: Cross multiply
    7,406,562.96x = 10,221,071.81 × 4,143,432.20
  4. Step 4: Simplify right side
    7,406,562.96x = 42,350,317,984,243.76
  5. Step 5: Solve for x
    x = 42,350,317,984,243.76/7,406,562.96
  6. Step 6: Final answer
    x = 5,717,944.78

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.