Home / 13,639,279.24-18,822,166.86-7,527,664

Finding the Fourth Proportional to 13,639,279.24, 18,822,166.86 and 7,527,664

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Solution

The fourth proportional to 13,639,279.24, 18,822,166.86 and 7,527,664 is: 10,388,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,279.24 : 18,822,166.86 = 7,527,664 : x
  2. Step 2: Convert to fraction form
    13,639,279.24/18,822,166.86 = 7,527,664/x
  3. Step 3: Cross multiply
    13,639,279.24x = 18,822,166.86 × 7,527,664
  4. Step 4: Simplify right side
    13,639,279.24x = 141,686,947,874,015.03
  5. Step 5: Solve for x
    x = 141,686,947,874,015.03/13,639,279.24
  6. Step 6: Final answer
    x = 10,388,155.08

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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.