Home / 10,042,640.70-13,858,680.87-5,459,077.50

Finding the Fourth Proportional to 10,042,640.70, 13,858,680.87 and 5,459,077.50

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Solution

The fourth proportional to 10,042,640.70, 13,858,680.87 and 5,459,077.50 is: 7,533,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042,640.70 : 13,858,680.87 = 5,459,077.50 : x
  2. Step 2: Convert to fraction form
    10,042,640.70/13,858,680.87 = 5,459,077.50/x
  3. Step 3: Cross multiply
    10,042,640.70x = 13,858,680.87 × 5,459,077.50
  4. Step 4: Simplify right side
    10,042,640.70x = 75,655,612,917,097.42
  5. Step 5: Solve for x
    x = 75,655,612,917,097.42/10,042,640.70
  6. Step 6: Final answer
    x = 7,533,438.18

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1.5x scale

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.