Home / 10,167,815.32-14,031,528.48-5,521,555.69

Finding the Fourth Proportional to 10,167,815.32, 14,031,528.48 and 5,521,555.69

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Solution

The fourth proportional to 10,167,815.32, 14,031,528.48 and 5,521,555.69 is: 7,619,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,815.32 : 14,031,528.48 = 5,521,555.69 : x
  2. Step 2: Convert to fraction form
    10,167,815.32/14,031,528.48 = 5,521,555.69/x
  3. Step 3: Cross multiply
    10,167,815.32x = 14,031,528.48 × 5,521,555.69
  4. Step 4: Simplify right side
    10,167,815.32x = 77,475,865,918,141.06
  5. Step 5: Solve for x
    x = 77,475,865,918,141.06/10,167,815.32
  6. Step 6: Final answer
    x = 7,619,716.08

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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.