Home / 8,085,585.60-12,128,378.40-4,042,697.40

Finding the Fourth Proportional to 8,085,585.60, 12,128,378.40 and 4,042,697.40

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Solution

The fourth proportional to 8,085,585.60, 12,128,378.40 and 4,042,697.40 is: 6,064,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,585.60 : 12,128,378.40 = 4,042,697.40 : x
  2. Step 2: Convert to fraction form
    8,085,585.60/12,128,378.40 = 4,042,697.40/x
  3. Step 3: Cross multiply
    8,085,585.60x = 12,128,378.40 × 4,042,697.40
  4. Step 4: Simplify right side
    8,085,585.60x = 49,031,363,823,896.16
  5. Step 5: Solve for x
    x = 49,031,363,823,896.16/8,085,585.60
  6. Step 6: Final answer
    x = 6,064,046.10

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1.5x scale

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.