Home / 10,139,207.25-15,210,717.68-4,074,419.79

Finding the Fourth Proportional to 10,139,207.25, 15,210,717.68 and 4,074,419.79

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Solution

The fourth proportional to 10,139,207.25, 15,210,717.68 and 4,074,419.79 is: 6,112,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,207.25 : 15,210,717.68 = 4,074,419.79 : x
  2. Step 2: Convert to fraction form
    10,139,207.25/15,210,717.68 = 4,074,419.79/x
  3. Step 3: Cross multiply
    10,139,207.25x = 15,210,717.68 × 4,074,419.79
  4. Step 4: Simplify right side
    10,139,207.25x = 61,974,849,115,122.79
  5. Step 5: Solve for x
    x = 61,974,849,115,122.79/10,139,207.25
  6. Step 6: Final answer
    x = 6,112,395.93

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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.