Home / 8,281,403.60-12,424,640.56-4,240,752.35

Finding the Fourth Proportional to 8,281,403.60, 12,424,640.56 and 4,240,752.35

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Solution

The fourth proportional to 8,281,403.60, 12,424,640.56 and 4,240,752.35 is: 6,362,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,403.60 : 12,424,640.56 = 4,240,752.35 : x
  2. Step 2: Convert to fraction form
    8,281,403.60/12,424,640.56 = 4,240,752.35/x
  3. Step 3: Cross multiply
    8,281,403.60x = 12,424,640.56 × 4,240,752.35
  4. Step 4: Simplify right side
    8,281,403.60x = 52,689,823,580,000.23
  5. Step 5: Solve for x
    x = 52,689,823,580,000.23/8,281,403.60
  6. Step 6: Final answer
    x = 6,362,426.73

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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.