Home / 10,752,604.80-16,128,907.20-8,737,065.60

Finding the Fourth Proportional to 10,752,604.80, 16,128,907.20 and 8,737,065.60

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Solution

The fourth proportional to 10,752,604.80, 16,128,907.20 and 8,737,065.60 is: 13,105,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,604.80 : 16,128,907.20 = 8,737,065.60 : x
  2. Step 2: Convert to fraction form
    10,752,604.80/16,128,907.20 = 8,737,065.60/x
  3. Step 3: Cross multiply
    10,752,604.80x = 16,128,907.20 × 8,737,065.60
  4. Step 4: Simplify right side
    10,752,604.80x = 140,919,320,262,712.31
  5. Step 5: Solve for x
    x = 140,919,320,262,712.31/10,752,604.80
  6. Step 6: Final answer
    x = 13,105,598.40

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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.