Home / 23,019,630.76-31,766,913.22-12,706,348.20

Finding the Fourth Proportional to 23,019,630.76, 31,766,913.22 and 12,706,348.20

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Solution

The fourth proportional to 23,019,630.76, 31,766,913.22 and 12,706,348.20 is: 17,534,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019,630.76 : 31,766,913.22 = 12,706,348.20 : x
  2. Step 2: Convert to fraction form
    23,019,630.76/31,766,913.22 = 12,706,348.20/x
  3. Step 3: Cross multiply
    23,019,630.76x = 31,766,913.22 × 12,706,348.20
  4. Step 4: Simplify right side
    23,019,630.76x = 403,641,460,612,503.19
  5. Step 5: Solve for x
    x = 403,641,460,612,503.19/23,019,630.76
  6. Step 6: Final answer
    x = 17,534,662.69

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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.