Home / 28,660,689.34-39,551,360.61-16,270,679.86

Finding the Fourth Proportional to 28,660,689.34, 39,551,360.61 and 16,270,679.86

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Solution

The fourth proportional to 28,660,689.34, 39,551,360.61 and 16,270,679.86 is: 22,453,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660,689.34 : 39,551,360.61 = 16,270,679.86 : x
  2. Step 2: Convert to fraction form
    28,660,689.34/39,551,360.61 = 16,270,679.86/x
  3. Step 3: Cross multiply
    28,660,689.34x = 39,551,360.61 × 16,270,679.86
  4. Step 4: Simplify right side
    28,660,689.34x = 643,527,526,512,724.25
  5. Step 5: Solve for x
    x = 643,527,526,512,724.25/28,660,689.34
  6. Step 6: Final answer
    x = 22,453,316.42

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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.