Home / 15,115,511.40-22,696,886.70-8,738,219.40

Finding the Fourth Proportional to 15,115,511.40, 22,696,886.70 and 8,738,219.40

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Solution

The fourth proportional to 15,115,511.40, 22,696,886.70 and 8,738,219.40 is: 13,120,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,511.40 : 22,696,886.70 = 8,738,219.40 : x
  2. Step 2: Convert to fraction form
    15,115,511.40/22,696,886.70 = 8,738,219.40/x
  3. Step 3: Cross multiply
    15,115,511.40x = 22,696,886.70 × 8,738,219.40
  4. Step 4: Simplify right side
    15,115,511.40x = 198,330,375,681,541.97
  5. Step 5: Solve for x
    x = 198,330,375,681,541.97/15,115,511.40
  6. Step 6: Final answer
    x = 13,120,983.50

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1.5x scale

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.