Home / 7,114,647.88-9,818,203-3,851,461.74

Finding the Fourth Proportional to 7,114,647.88, 9,818,203 and 3,851,461.74

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Solution

The fourth proportional to 7,114,647.88, 9,818,203 and 3,851,461.74 is: 5,315,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,647.88 : 9,818,203 = 3,851,461.74 : x
  2. Step 2: Convert to fraction form
    7,114,647.88/9,818,203 = 3,851,461.74/x
  3. Step 3: Cross multiply
    7,114,647.88x = 9,818,203 × 3,851,461.74
  4. Step 4: Simplify right side
    7,114,647.88x = 37,814,433,210,053.22
  5. Step 5: Solve for x
    x = 37,814,433,210,053.22/7,114,647.88
  6. Step 6: Final answer
    x = 5,315,011.21

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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.