Home / 28,601,232.80-42,844,407.70-13,226,972.72

Finding the Fourth Proportional to 28,601,232.80, 42,844,407.70 and 13,226,972.72

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Solution

The fourth proportional to 28,601,232.80, 42,844,407.70 and 13,226,972.72 is: 19,813,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,232.80 : 42,844,407.70 = 13,226,972.72 : x
  2. Step 2: Convert to fraction form
    28,601,232.80/42,844,407.70 = 13,226,972.72/x
  3. Step 3: Cross multiply
    28,601,232.80x = 42,844,407.70 × 13,226,972.72
  4. Step 4: Simplify right side
    28,601,232.80x = 566,701,811,852,458
  5. Step 5: Solve for x
    x = 566,701,811,852,458/28,601,232.80
  6. Step 6: Final answer
    x = 19,813,894.59

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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.