Home / 28,932,080.80-43,398,121.20-12,749,702.35

Finding the Fourth Proportional to 28,932,080.80, 43,398,121.20 and 12,749,702.35

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Solution

The fourth proportional to 28,932,080.80, 43,398,121.20 and 12,749,702.35 is: 19,124,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932,080.80 : 43,398,121.20 = 12,749,702.35 : x
  2. Step 2: Convert to fraction form
    28,932,080.80/43,398,121.20 = 12,749,702.35/x
  3. Step 3: Cross multiply
    28,932,080.80x = 43,398,121.20 × 12,749,702.35
  4. Step 4: Simplify right side
    28,932,080.80x = 553,313,127,849,224.81
  5. Step 5: Solve for x
    x = 553,313,127,849,224.81/28,932,080.80
  6. Step 6: Final answer
    x = 19,124,553.53

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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.