Home / 13,359,031.40-18,435,499.08-7,247,459.90

Finding the Fourth Proportional to 13,359,031.40, 18,435,499.08 and 7,247,459.90

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Solution

The fourth proportional to 13,359,031.40, 18,435,499.08 and 7,247,459.90 is: 10,001,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,031.40 : 18,435,499.08 = 7,247,459.90 : x
  2. Step 2: Convert to fraction form
    13,359,031.40/18,435,499.08 = 7,247,459.90/x
  3. Step 3: Cross multiply
    13,359,031.40x = 18,435,499.08 × 7,247,459.90
  4. Step 4: Simplify right side
    13,359,031.40x = 133,610,540,318,786.89
  5. Step 5: Solve for x
    x = 133,610,540,318,786.89/13,359,031.40
  6. Step 6: Final answer
    x = 10,001,514.06

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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.