Home / 28,003,807.30-41,921,730.15-16,638,405.70

Finding the Fourth Proportional to 28,003,807.30, 41,921,730.15 and 16,638,405.70

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Solution

The fourth proportional to 28,003,807.30, 41,921,730.15 and 16,638,405.70 is: 24,907,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,807.30 : 41,921,730.15 = 16,638,405.70 : x
  2. Step 2: Convert to fraction form
    28,003,807.30/41,921,730.15 = 16,638,405.70/x
  3. Step 3: Cross multiply
    28,003,807.30x = 41,921,730.15 × 16,638,405.70
  4. Step 4: Simplify right side
    28,003,807.30x = 697,510,753,881,621.75
  5. Step 5: Solve for x
    x = 697,510,753,881,621.75/28,003,807.30
  6. Step 6: Final answer
    x = 24,907,711.53

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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.