Home / 18,792,079.80-28,152,690.30-9,663,104.40

Finding the Fourth Proportional to 18,792,079.80, 28,152,690.30 and 9,663,104.40

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Solution

The fourth proportional to 18,792,079.80, 28,152,690.30 and 9,663,104.40 is: 14,476,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,079.80 : 28,152,690.30 = 9,663,104.40 : x
  2. Step 2: Convert to fraction form
    18,792,079.80/28,152,690.30 = 9,663,104.40/x
  3. Step 3: Cross multiply
    18,792,079.80x = 28,152,690.30 × 9,663,104.40
  4. Step 4: Simplify right side
    18,792,079.80x = 272,042,385,509,767.34
  5. Step 5: Solve for x
    x = 272,042,385,509,767.34/18,792,079.80
  6. Step 6: Final answer
    x = 14,476,438.39

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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.