Home / 28,969,512.80-43,454,269.20-15,303,970.40

Finding the Fourth Proportional to 28,969,512.80, 43,454,269.20 and 15,303,970.40

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Solution

The fourth proportional to 28,969,512.80, 43,454,269.20 and 15,303,970.40 is: 22,955,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,512.80 : 43,454,269.20 = 15,303,970.40 : x
  2. Step 2: Convert to fraction form
    28,969,512.80/43,454,269.20 = 15,303,970.40/x
  3. Step 3: Cross multiply
    28,969,512.80x = 43,454,269.20 × 15,303,970.40
  4. Step 4: Simplify right side
    28,969,512.80x = 665,022,849,590,431.75
  5. Step 5: Solve for x
    x = 665,022,849,590,431.75/28,969,512.80
  6. Step 6: Final answer
    x = 22,955,955.60

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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.