Home / 8,897,176.20-13,345,764.30-7,409,141.40

Finding the Fourth Proportional to 8,897,176.20, 13,345,764.30 and 7,409,141.40

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Solution

The fourth proportional to 8,897,176.20, 13,345,764.30 and 7,409,141.40 is: 11,113,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,176.20 : 13,345,764.30 = 7,409,141.40 : x
  2. Step 2: Convert to fraction form
    8,897,176.20/13,345,764.30 = 7,409,141.40/x
  3. Step 3: Cross multiply
    8,897,176.20x = 13,345,764.30 × 7,409,141.40
  4. Step 4: Simplify right side
    8,897,176.20x = 98,880,654,789,772.03
  5. Step 5: Solve for x
    x = 98,880,654,789,772.03/8,897,176.20
  6. Step 6: Final answer
    x = 11,113,712.10

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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.