Home / 8,197,389.20-12,291,475.80-3,148,864.40

Finding the Fourth Proportional to 8,197,389.20, 12,291,475.80 and 3,148,864.40

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Solution

The fourth proportional to 8,197,389.20, 12,291,475.80 and 3,148,864.40 is: 4,721,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,389.20 : 12,291,475.80 = 3,148,864.40 : x
  2. Step 2: Convert to fraction form
    8,197,389.20/12,291,475.80 = 3,148,864.40/x
  3. Step 3: Cross multiply
    8,197,389.20x = 12,291,475.80 × 3,148,864.40
  4. Step 4: Simplify right side
    8,197,389.20x = 38,704,190,570,081.52
  5. Step 5: Solve for x
    x = 38,704,190,570,081.52/8,197,389.20
  6. Step 6: Final answer
    x = 4,721,526.53

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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.