Home / 8,140,005.60-12,210,008.40-2,074,725.60

Finding the Fourth Proportional to 8,140,005.60, 12,210,008.40 and 2,074,725.60

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Solution

The fourth proportional to 8,140,005.60, 12,210,008.40 and 2,074,725.60 is: 3,112,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,005.60 : 12,210,008.40 = 2,074,725.60 : x
  2. Step 2: Convert to fraction form
    8,140,005.60/12,210,008.40 = 2,074,725.60/x
  3. Step 3: Cross multiply
    8,140,005.60x = 12,210,008.40 × 2,074,725.60
  4. Step 4: Simplify right side
    8,140,005.60x = 25,332,417,003,695.04
  5. Step 5: Solve for x
    x = 25,332,417,003,695.04/8,140,005.60
  6. Step 6: Final answer
    x = 3,112,088.40

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Similar ratio
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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.