Home / 5,201,390.80-7,802,086.20-5,126,741.20

Finding the Fourth Proportional to 5,201,390.80, 7,802,086.20 and 5,126,741.20

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Solution

The fourth proportional to 5,201,390.80, 7,802,086.20 and 5,126,741.20 is: 7,690,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,390.80 : 7,802,086.20 = 5,126,741.20 : x
  2. Step 2: Convert to fraction form
    5,201,390.80/7,802,086.20 = 5,126,741.20/x
  3. Step 3: Cross multiply
    5,201,390.80x = 7,802,086.20 × 5,126,741.20
  4. Step 4: Simplify right side
    5,201,390.80x = 39,999,276,767,491.45
  5. Step 5: Solve for x
    x = 39,999,276,767,491.45/5,201,390.80
  6. Step 6: Final answer
    x = 7,690,111.80

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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.