Home / 8,160,465.28-12,240,254.94-2,480,246.72

Finding the Fourth Proportional to 8,160,465.28, 12,240,254.94 and 2,480,246.72

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Solution

The fourth proportional to 8,160,465.28, 12,240,254.94 and 2,480,246.72 is: 3,720,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,465.28 : 12,240,254.94 = 2,480,246.72 : x
  2. Step 2: Convert to fraction form
    8,160,465.28/12,240,254.94 = 2,480,246.72/x
  3. Step 3: Cross multiply
    8,160,465.28x = 12,240,254.94 × 2,480,246.72
  4. Step 4: Simplify right side
    8,160,465.28x = 30,358,852,166,898.80
  5. Step 5: Solve for x
    x = 30,358,852,166,898.80/8,160,465.28
  6. Step 6: Final answer
    x = 3,720,235.45

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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.