Home / 14,986,622.90-20,680,385.20-8,460,897.39

Finding the Fourth Proportional to 14,986,622.90, 20,680,385.20 and 8,460,897.39

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Solution

The fourth proportional to 14,986,622.90, 20,680,385.20 and 8,460,897.39 is: 11,675,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986,622.90 : 20,680,385.20 = 8,460,897.39 : x
  2. Step 2: Convert to fraction form
    14,986,622.90/20,680,385.20 = 8,460,897.39/x
  3. Step 3: Cross multiply
    14,986,622.90x = 20,680,385.20 × 8,460,897.39
  4. Step 4: Simplify right side
    14,986,622.90x = 174,974,617,141,722.41
  5. Step 5: Solve for x
    x = 174,974,617,141,722.41/14,986,622.90
  6. Step 6: Final answer
    x = 11,675,386.66

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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.