Home / 13,422,272.02-20,133,279.38-7,953,430.18

Finding the Fourth Proportional to 13,422,272.02, 20,133,279.38 and 7,953,430.18

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Solution

The fourth proportional to 13,422,272.02, 20,133,279.38 and 7,953,430.18 is: 11,930,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,272.02 : 20,133,279.38 = 7,953,430.18 : x
  2. Step 2: Convert to fraction form
    13,422,272.02/20,133,279.38 = 7,953,430.18/x
  3. Step 3: Cross multiply
    13,422,272.02x = 20,133,279.38 × 7,953,430.18
  4. Step 4: Simplify right side
    13,422,272.02x = 160,128,631,843,263.69
  5. Step 5: Solve for x
    x = 160,128,631,843,263.69/13,422,272.02
  6. Step 6: Final answer
    x = 11,930,069.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.