Home / 12,587,980.30-18,881,970.45-4,074,426.70

Finding the Fourth Proportional to 12,587,980.30, 18,881,970.45 and 4,074,426.70

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Solution

The fourth proportional to 12,587,980.30, 18,881,970.45 and 4,074,426.70 is: 6,111,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587,980.30 : 18,881,970.45 = 4,074,426.70 : x
  2. Step 2: Convert to fraction form
    12,587,980.30/18,881,970.45 = 4,074,426.70/x
  3. Step 3: Cross multiply
    12,587,980.30x = 18,881,970.45 × 4,074,426.70
  4. Step 4: Simplify right side
    12,587,980.30x = 76,933,204,550,091.02
  5. Step 5: Solve for x
    x = 76,933,204,550,091.02/12,587,980.30
  6. Step 6: Final answer
    x = 6,111,640.05

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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.