Home / 13,319,279.04-18,380,605.14-7,207,707.60

Finding the Fourth Proportional to 13,319,279.04, 18,380,605.14 and 7,207,707.60

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Solution

The fourth proportional to 13,319,279.04, 18,380,605.14 and 7,207,707.60 is: 9,946,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,279.04 : 18,380,605.14 = 7,207,707.60 : x
  2. Step 2: Convert to fraction form
    13,319,279.04/18,380,605.14 = 7,207,707.60/x
  3. Step 3: Cross multiply
    13,319,279.04x = 18,380,605.14 × 7,207,707.60
  4. Step 4: Simplify right side
    13,319,279.04x = 132,482,027,360,177.06
  5. Step 5: Solve for x
    x = 132,482,027,360,177.06/13,319,279.04
  6. Step 6: Final answer
    x = 9,946,636.52

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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.