Home / 9,008,129.40-12,431,230.56-4,878,167.67

Finding the Fourth Proportional to 9,008,129.40, 12,431,230.56 and 4,878,167.67

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Solution

The fourth proportional to 9,008,129.40, 12,431,230.56 and 4,878,167.67 is: 6,731,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008,129.40 : 12,431,230.56 = 4,878,167.67 : x
  2. Step 2: Convert to fraction form
    9,008,129.40/12,431,230.56 = 4,878,167.67/x
  3. Step 3: Cross multiply
    9,008,129.40x = 12,431,230.56 × 4,878,167.67
  4. Step 4: Simplify right side
    9,008,129.40x = 60,641,627,016,108
  5. Step 5: Solve for x
    x = 60,641,627,016,108/9,008,129.40
  6. Step 6: Final answer
    x = 6,731,877.88

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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.