Home / 8,764,561.40-13,146,842.10-4,985,425.40

Finding the Fourth Proportional to 8,764,561.40, 13,146,842.10 and 4,985,425.40

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Solution

The fourth proportional to 8,764,561.40, 13,146,842.10 and 4,985,425.40 is: 7,478,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,561.40 : 13,146,842.10 = 4,985,425.40 : x
  2. Step 2: Convert to fraction form
    8,764,561.40/13,146,842.10 = 4,985,425.40/x
  3. Step 3: Cross multiply
    8,764,561.40x = 13,146,842.10 × 4,985,425.40
  4. Step 4: Simplify right side
    8,764,561.40x = 65,542,600,535,129.34
  5. Step 5: Solve for x
    x = 65,542,600,535,129.34/8,764,561.40
  6. Step 6: Final answer
    x = 7,478,138.10

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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.