Home / 10,139,208.25-15,210,719.18-4,074,420.79

Finding the Fourth Proportional to 10,139,208.25, 15,210,719.18 and 4,074,420.79

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Solution

The fourth proportional to 10,139,208.25, 15,210,719.18 and 4,074,420.79 is: 6,112,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,208.25 : 15,210,719.18 = 4,074,420.79 : x
  2. Step 2: Convert to fraction form
    10,139,208.25/15,210,719.18 = 4,074,420.79/x
  3. Step 3: Cross multiply
    10,139,208.25x = 15,210,719.18 × 4,074,420.79
  4. Step 4: Simplify right side
    10,139,208.25x = 61,974,870,457,843.75
  5. Step 5: Solve for x
    x = 61,974,870,457,843.75/10,139,208.25
  6. Step 6: Final answer
    x = 6,112,397.43

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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.