Home / 7,407,407.76-10,220,251.32-5,085,010.50

Finding the Fourth Proportional to 7,407,407.76, 10,220,251.32 and 5,085,010.50

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Solution

The fourth proportional to 7,407,407.76, 10,220,251.32 and 5,085,010.50 is: 7,015,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,407.76 : 10,220,251.32 = 5,085,010.50 : x
  2. Step 2: Convert to fraction form
    7,407,407.76/10,220,251.32 = 5,085,010.50/x
  3. Step 3: Cross multiply
    7,407,407.76x = 10,220,251.32 × 5,085,010.50
  4. Step 4: Simplify right side
    7,407,407.76x = 51,970,085,274,838.86
  5. Step 5: Solve for x
    x = 51,970,085,274,838.86/7,407,407.76
  6. Step 6: Final answer
    x = 7,015,961.18

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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.