Home / 9,345,765.83-12,897,803.95-5,216,600.48

Finding the Fourth Proportional to 9,345,765.83, 12,897,803.95 and 5,216,600.48

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Solution

The fourth proportional to 9,345,765.83, 12,897,803.95 and 5,216,600.48 is: 7,199,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,765.83 : 12,897,803.95 = 5,216,600.48 : x
  2. Step 2: Convert to fraction form
    9,345,765.83/12,897,803.95 = 5,216,600.48/x
  3. Step 3: Cross multiply
    9,345,765.83x = 12,897,803.95 × 5,216,600.48
  4. Step 4: Simplify right side
    9,345,765.83x = 67,282,690,198,985.37
  5. Step 5: Solve for x
    x = 67,282,690,198,985.37/9,345,765.83
  6. Step 6: Final answer
    x = 7,199,269.86

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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.