Home / 13,457,534.30-20,186,301.45-7,000,526.15

Finding the Fourth Proportional to 13,457,534.30, 20,186,301.45 and 7,000,526.15

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Solution

The fourth proportional to 13,457,534.30, 20,186,301.45 and 7,000,526.15 is: 10,500,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,534.30 : 20,186,301.45 = 7,000,526.15 : x
  2. Step 2: Convert to fraction form
    13,457,534.30/20,186,301.45 = 7,000,526.15/x
  3. Step 3: Cross multiply
    13,457,534.30x = 20,186,301.45 × 7,000,526.15
  4. Step 4: Simplify right side
    13,457,534.30x = 141,314,731,172,507.91
  5. Step 5: Solve for x
    x = 141,314,731,172,507.91/13,457,534.30
  6. Step 6: Final answer
    x = 10,500,789.23

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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.