Home / 15,172,364.40-22,758,546.60-8,688,784.20

Finding the Fourth Proportional to 15,172,364.40, 22,758,546.60 and 8,688,784.20

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Solution

The fourth proportional to 15,172,364.40, 22,758,546.60 and 8,688,784.20 is: 13,033,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,364.40 : 22,758,546.60 = 8,688,784.20 : x
  2. Step 2: Convert to fraction form
    15,172,364.40/22,758,546.60 = 8,688,784.20/x
  3. Step 3: Cross multiply
    15,172,364.40x = 22,758,546.60 × 8,688,784.20
  4. Step 4: Simplify right side
    15,172,364.40x = 197,744,100,113,043.72
  5. Step 5: Solve for x
    x = 197,744,100,113,043.72/15,172,364.40
  6. Step 6: Final answer
    x = 13,033,176.30

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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.