Home / 12,538,869.95-17,242,280.19-10,882,140.80

Finding the Fourth Proportional to 12,538,869.95, 17,242,280.19 and 10,882,140.80

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Solution

The fourth proportional to 12,538,869.95, 17,242,280.19 and 10,882,140.80 is: 14,964,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,869.95 : 17,242,280.19 = 10,882,140.80 : x
  2. Step 2: Convert to fraction form
    12,538,869.95/17,242,280.19 = 10,882,140.80/x
  3. Step 3: Cross multiply
    12,538,869.95x = 17,242,280.19 × 10,882,140.80
  4. Step 4: Simplify right side
    12,538,869.95x = 187,632,920,664,667.19
  5. Step 5: Solve for x
    x = 187,632,920,664,667.19/12,538,869.95
  6. Step 6: Final answer
    x = 14,964,101.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.