Home / 13,048,429.93-18,006,332.81-7,247,581.92

Finding the Fourth Proportional to 13,048,429.93, 18,006,332.81 and 7,247,581.92

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Solution

The fourth proportional to 13,048,429.93, 18,006,332.81 and 7,247,581.92 is: 10,001,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,429.93 : 18,006,332.81 = 7,247,581.92 : x
  2. Step 2: Convert to fraction form
    13,048,429.93/18,006,332.81 = 7,247,581.92/x
  3. Step 3: Cross multiply
    13,048,429.93x = 18,006,332.81 × 7,247,581.92
  4. Step 4: Simplify right side
    13,048,429.93x = 130,502,372,083,020.88
  5. Step 5: Solve for x
    x = 130,502,372,083,020.88/13,048,429.93
  6. Step 6: Final answer
    x = 10,001,385.06

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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.