Home / 20,704,328.10-31,056,492.15-14,247,319.95

Finding the Fourth Proportional to 20,704,328.10, 31,056,492.15 and 14,247,319.95

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Solution

The fourth proportional to 20,704,328.10, 31,056,492.15 and 14,247,319.95 is: 21,370,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,328.10 : 31,056,492.15 = 14,247,319.95 : x
  2. Step 2: Convert to fraction form
    20,704,328.10/31,056,492.15 = 14,247,319.95/x
  3. Step 3: Cross multiply
    20,704,328.10x = 31,056,492.15 × 14,247,319.95
  4. Step 4: Simplify right side
    20,704,328.10x = 442,471,780,185,713.38
  5. Step 5: Solve for x
    x = 442,471,780,185,713.38/20,704,328.10
  6. Step 6: Final answer
    x = 21,370,979.93

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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.