Home / 20,603,018.59-28,432,183.76-12,347,875.87

Finding the Fourth Proportional to 20,603,018.59, 28,432,183.76 and 12,347,875.87

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Solution

The fourth proportional to 20,603,018.59, 28,432,183.76 and 12,347,875.87 is: 17,040,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,018.59 : 28,432,183.76 = 12,347,875.87 : x
  2. Step 2: Convert to fraction form
    20,603,018.59/28,432,183.76 = 12,347,875.87/x
  3. Step 3: Cross multiply
    20,603,018.59x = 28,432,183.76 × 12,347,875.87
  4. Step 4: Simplify right side
    20,603,018.59x = 351,077,075,781,509.88
  5. Step 5: Solve for x
    x = 351,077,075,781,509.88/20,603,018.59
  6. Step 6: Final answer
    x = 17,040,079.55

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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.