Home / 10,692,480.80-16,038,721.20-8,897,391.20

Finding the Fourth Proportional to 10,692,480.80, 16,038,721.20 and 8,897,391.20

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Solution

The fourth proportional to 10,692,480.80, 16,038,721.20 and 8,897,391.20 is: 13,346,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,480.80 : 16,038,721.20 = 8,897,391.20 : x
  2. Step 2: Convert to fraction form
    10,692,480.80/16,038,721.20 = 8,897,391.20/x
  3. Step 3: Cross multiply
    10,692,480.80x = 16,038,721.20 × 8,897,391.20
  4. Step 4: Simplify right side
    10,692,480.80x = 142,702,776,864,133.41
  5. Step 5: Solve for x
    x = 142,702,776,864,133.41/10,692,480.80
  6. Step 6: Final answer
    x = 13,346,086.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.