Home / 12,998,983.16-17,957,282.31-10,382,051.40

Finding the Fourth Proportional to 12,998,983.16, 17,957,282.31 and 10,382,051.40

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Solution

The fourth proportional to 12,998,983.16, 17,957,282.31 and 10,382,051.40 is: 14,342,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,983.16 : 17,957,282.31 = 10,382,051.40 : x
  2. Step 2: Convert to fraction form
    12,998,983.16/17,957,282.31 = 10,382,051.40/x
  3. Step 3: Cross multiply
    12,998,983.16x = 17,957,282.31 × 10,382,051.40
  4. Step 4: Simplify right side
    12,998,983.16x = 186,433,427,946,730.72
  5. Step 5: Solve for x
    x = 186,433,427,946,730.72/12,998,983.16
  6. Step 6: Final answer
    x = 14,342,154.75

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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.