Home / 13,048,488.68-18,006,416.39-7,247,642.49

Finding the Fourth Proportional to 13,048,488.68, 18,006,416.39 and 7,247,642.49

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Solution

The fourth proportional to 13,048,488.68, 18,006,416.39 and 7,247,642.49 is: 10,001,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,488.68 : 18,006,416.39 = 7,247,642.49 : x
  2. Step 2: Convert to fraction form
    13,048,488.68/18,006,416.39 = 7,247,642.49/x
  3. Step 3: Cross multiply
    13,048,488.68x = 18,006,416.39 × 7,247,642.49
  4. Step 4: Simplify right side
    13,048,488.68x = 130,504,068,484,558.22
  5. Step 5: Solve for x
    x = 130,504,068,484,558.22/13,048,488.68
  6. Step 6: Final answer
    x = 10,001,470.03

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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.