Home / 51,780,649.09-71,457,149.26-28,575,610.13

Finding the Fourth Proportional to 51,780,649.09, 71,457,149.26 and 28,575,610.13

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Solution

The fourth proportional to 51,780,649.09, 71,457,149.26 and 28,575,610.13 is: 39,434,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780,649.09 : 71,457,149.26 = 28,575,610.13 : x
  2. Step 2: Convert to fraction form
    51,780,649.09/71,457,149.26 = 28,575,610.13/x
  3. Step 3: Cross multiply
    51,780,649.09x = 71,457,149.26 × 28,575,610.13
  4. Step 4: Simplify right side
    51,780,649.09x = 2,041,931,637,826,253
  5. Step 5: Solve for x
    x = 2,041,931,637,826,253/51,780,649.09
  6. Step 6: Final answer
    x = 39,434,261.13

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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.