Home / 18,761,117.92-25,888,167.06-10,501,642.72

Finding the Fourth Proportional to 18,761,117.92, 25,888,167.06 and 10,501,642.72

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Solution

The fourth proportional to 18,761,117.92, 25,888,167.06 and 10,501,642.72 is: 14,491,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,117.92 : 25,888,167.06 = 10,501,642.72 : x
  2. Step 2: Convert to fraction form
    18,761,117.92/25,888,167.06 = 10,501,642.72/x
  3. Step 3: Cross multiply
    18,761,117.92x = 25,888,167.06 × 10,501,642.72
  4. Step 4: Simplify right side
    18,761,117.92x = 271,868,281,139,792.81
  5. Step 5: Solve for x
    x = 271,868,281,139,792.81/18,761,117.92
  6. Step 6: Final answer
    x = 14,491,049.11

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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.