Home / 15,147,546.40-22,721,319.60-4,912,386.40

Finding the Fourth Proportional to 15,147,546.40, 22,721,319.60 and 4,912,386.40

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Solution

The fourth proportional to 15,147,546.40, 22,721,319.60 and 4,912,386.40 is: 7,368,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,546.40 : 22,721,319.60 = 4,912,386.40 : x
  2. Step 2: Convert to fraction form
    15,147,546.40/22,721,319.60 = 4,912,386.40/x
  3. Step 3: Cross multiply
    15,147,546.40x = 22,721,319.60 × 4,912,386.40
  4. Step 4: Simplify right side
    15,147,546.40x = 111,615,901,393,093.45
  5. Step 5: Solve for x
    x = 111,615,901,393,093.45/15,147,546.40
  6. Step 6: Final answer
    x = 7,368,579.60

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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.