Home / 28,303,698.32-42,455,314.28-8,108,959.76

Finding the Fourth Proportional to 28,303,698.32, 42,455,314.28 and 8,108,959.76

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Solution

The fourth proportional to 28,303,698.32, 42,455,314.28 and 8,108,959.76 is: 12,163,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303,698.32 : 42,455,314.28 = 8,108,959.76 : x
  2. Step 2: Convert to fraction form
    28,303,698.32/42,455,314.28 = 8,108,959.76/x
  3. Step 3: Cross multiply
    28,303,698.32x = 42,455,314.28 × 8,108,959.76
  4. Step 4: Simplify right side
    28,303,698.32x = 344,268,435,094,673.38
  5. Step 5: Solve for x
    x = 344,268,435,094,673.38/28,303,698.32
  6. Step 6: Final answer
    x = 12,163,372.83

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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.