Home / 20,518,504.40-30,737,206.20-17,997,006.80

Finding the Fourth Proportional to 20,518,504.40, 30,737,206.20 and 17,997,006.80

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Solution

The fourth proportional to 20,518,504.40, 30,737,206.20 and 17,997,006.80 is: 26,959,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,504.40 : 30,737,206.20 = 17,997,006.80 : x
  2. Step 2: Convert to fraction form
    20,518,504.40/30,737,206.20 = 17,997,006.80/x
  3. Step 3: Cross multiply
    20,518,504.40x = 30,737,206.20 × 17,997,006.80
  4. Step 4: Simplify right side
    20,518,504.40x = 553,177,708,994,402.19
  5. Step 5: Solve for x
    x = 553,177,708,994,402.19/20,518,504.40
  6. Step 6: Final answer
    x = 26,959,943.00

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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.