Home / 13,528,048.32-18,668,947.68-7,333,297.92

Finding the Fourth Proportional to 13,528,048.32, 18,668,947.68 and 7,333,297.92

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Solution

The fourth proportional to 13,528,048.32, 18,668,947.68 and 7,333,297.92 is: 10,120,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,048.32 : 18,668,947.68 = 7,333,297.92 : x
  2. Step 2: Convert to fraction form
    13,528,048.32/18,668,947.68 = 7,333,297.92/x
  3. Step 3: Cross multiply
    13,528,048.32x = 18,668,947.68 × 7,333,297.92
  4. Step 4: Simplify right side
    13,528,048.32x = 136,904,955,190,332.83
  5. Step 5: Solve for x
    x = 136,904,955,190,332.83/13,528,048.32
  6. Step 6: Final answer
    x = 10,120,081.77

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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.