Home / 12,084,985.16-16,645,510.55-9,288,761.17

Finding the Fourth Proportional to 12,084,985.16, 16,645,510.55 and 9,288,761.17

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Solution

The fourth proportional to 12,084,985.16, 16,645,510.55 and 9,288,761.17 is: 12,794,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,985.16 : 16,645,510.55 = 9,288,761.17 : x
  2. Step 2: Convert to fraction form
    12,084,985.16/16,645,510.55 = 9,288,761.17/x
  3. Step 3: Cross multiply
    12,084,985.16x = 16,645,510.55 × 9,288,761.17
  4. Step 4: Simplify right side
    12,084,985.16x = 154,616,172,014,956.91
  5. Step 5: Solve for x
    x = 154,616,172,014,956.91/12,084,985.16
  6. Step 6: Final answer
    x = 12,794,072.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.