Home / 8,640,041.60-12,960,062.40-8,453,417.60

Finding the Fourth Proportional to 8,640,041.60, 12,960,062.40 and 8,453,417.60

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Solution

The fourth proportional to 8,640,041.60, 12,960,062.40 and 8,453,417.60 is: 12,680,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,041.60 : 12,960,062.40 = 8,453,417.60 : x
  2. Step 2: Convert to fraction form
    8,640,041.60/12,960,062.40 = 8,453,417.60/x
  3. Step 3: Cross multiply
    8,640,041.60x = 12,960,062.40 × 8,453,417.60
  4. Step 4: Simplify right side
    8,640,041.60x = 109,556,819,589,258.23
  5. Step 5: Solve for x
    x = 109,556,819,589,258.23/8,640,041.60
  6. Step 6: Final answer
    x = 12,680,126.40

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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.