Home / 7,459,507.40-11,189,261.10-7,406,363.30

Finding the Fourth Proportional to 7,459,507.40, 11,189,261.10 and 7,406,363.30

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Solution

The fourth proportional to 7,459,507.40, 11,189,261.10 and 7,406,363.30 is: 11,109,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,507.40 : 11,189,261.10 = 7,406,363.30 : x
  2. Step 2: Convert to fraction form
    7,459,507.40/11,189,261.10 = 7,406,363.30/x
  3. Step 3: Cross multiply
    7,459,507.40x = 11,189,261.10 × 7,406,363.30
  4. Step 4: Simplify right side
    7,459,507.40x = 82,871,732,765,157.62
  5. Step 5: Solve for x
    x = 82,871,732,765,157.62/7,459,507.40
  6. Step 6: Final answer
    x = 11,109,544.95

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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.