Home / 7,342,490.68-10,119,811.19-5,378,195.57

Finding the Fourth Proportional to 7,342,490.68, 10,119,811.19 and 5,378,195.57

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Solution

The fourth proportional to 7,342,490.68, 10,119,811.19 and 5,378,195.57 is: 7,412,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,490.68 : 10,119,811.19 = 5,378,195.57 : x
  2. Step 2: Convert to fraction form
    7,342,490.68/10,119,811.19 = 5,378,195.57/x
  3. Step 3: Cross multiply
    7,342,490.68x = 10,119,811.19 × 5,378,195.57
  4. Step 4: Simplify right side
    7,342,490.68x = 54,426,323,633,804.40
  5. Step 5: Solve for x
    x = 54,426,323,633,804.40/7,342,490.68
  6. Step 6: Final answer
    x = 7,412,515.18

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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.