Home / 10,666,877.92-14,720,330.54-5,772,100.05

Finding the Fourth Proportional to 10,666,877.92, 14,720,330.54 and 5,772,100.05

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Solution

The fourth proportional to 10,666,877.92, 14,720,330.54 and 5,772,100.05 is: 7,965,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666,877.92 : 14,720,330.54 = 5,772,100.05 : x
  2. Step 2: Convert to fraction form
    10,666,877.92/14,720,330.54 = 5,772,100.05/x
  3. Step 3: Cross multiply
    10,666,877.92x = 14,720,330.54 × 5,772,100.05
  4. Step 4: Simplify right side
    10,666,877.92x = 84,967,220,660,380.78
  5. Step 5: Solve for x
    x = 84,967,220,660,380.78/10,666,877.92
  6. Step 6: Final answer
    x = 7,965,519.18

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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.