Home / 12,377,056.92-18,585,017.84-10,482,802.28

Finding the Fourth Proportional to 12,377,056.92, 18,585,017.84 and 10,482,802.28

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Solution

The fourth proportional to 12,377,056.92, 18,585,017.84 and 10,482,802.28 is: 15,740,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,056.92 : 18,585,017.84 = 10,482,802.28 : x
  2. Step 2: Convert to fraction form
    12,377,056.92/18,585,017.84 = 10,482,802.28/x
  3. Step 3: Cross multiply
    12,377,056.92x = 18,585,017.84 × 10,482,802.28
  4. Step 4: Simplify right side
    12,377,056.92x = 194,823,067,386,992.66
  5. Step 5: Solve for x
    x = 194,823,067,386,992.66/12,377,056.92
  6. Step 6: Final answer
    x = 15,740,661.83

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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.