Home / 20,518,503.40-30,737,204.70-17,997,005.80

Finding the Fourth Proportional to 20,518,503.40, 30,737,204.70 and 17,997,005.80

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Solution

The fourth proportional to 20,518,503.40, 30,737,204.70 and 17,997,005.80 is: 26,959,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,503.40 : 30,737,204.70 = 17,997,005.80 : x
  2. Step 2: Convert to fraction form
    20,518,503.40/30,737,204.70 = 17,997,005.80/x
  3. Step 3: Cross multiply
    20,518,503.40x = 30,737,204.70 × 17,997,005.80
  4. Step 4: Simplify right side
    20,518,503.40x = 553,177,651,261,687.25
  5. Step 5: Solve for x
    x = 553,177,651,261,687.25/20,518,503.40
  6. Step 6: Final answer
    x = 26,959,941.50

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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.