Home / 22,508,189.19-31,060,895.76-12,718,422.68

Finding the Fourth Proportional to 22,508,189.19, 31,060,895.76 and 12,718,422.68

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Solution

The fourth proportional to 22,508,189.19, 31,060,895.76 and 12,718,422.68 is: 17,551,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508,189.19 : 31,060,895.76 = 12,718,422.68 : x
  2. Step 2: Convert to fraction form
    22,508,189.19/31,060,895.76 = 12,718,422.68/x
  3. Step 3: Cross multiply
    22,508,189.19x = 31,060,895.76 × 12,718,422.68
  4. Step 4: Simplify right side
    22,508,189.19x = 395,045,600,939,795.38
  5. Step 5: Solve for x
    x = 395,045,600,939,795.38/22,508,189.19
  6. Step 6: Final answer
    x = 17,551,194.26

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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.