Home / 13,324,547.08-18,388,001.65-7,818,015.61

Finding the Fourth Proportional to 13,324,547.08, 18,388,001.65 and 7,818,015.61

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Solution

The fourth proportional to 13,324,547.08, 18,388,001.65 and 7,818,015.61 is: 10,788,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,547.08 : 18,388,001.65 = 7,818,015.61 : x
  2. Step 2: Convert to fraction form
    13,324,547.08/18,388,001.65 = 7,818,015.61/x
  3. Step 3: Cross multiply
    13,324,547.08x = 18,388,001.65 × 7,818,015.61
  4. Step 4: Simplify right side
    13,324,547.08x = 143,757,683,844,465.75
  5. Step 5: Solve for x
    x = 143,757,683,844,465.75/13,324,547.08
  6. Step 6: Final answer
    x = 10,788,935.87

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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.