Home / 12,962,204.88-17,888,888.52-7,161,493.20

Finding the Fourth Proportional to 12,962,204.88, 17,888,888.52 and 7,161,493.20

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Solution

The fourth proportional to 12,962,204.88, 17,888,888.52 and 7,161,493.20 is: 9,883,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,204.88 : 17,888,888.52 = 7,161,493.20 : x
  2. Step 2: Convert to fraction form
    12,962,204.88/17,888,888.52 = 7,161,493.20/x
  3. Step 3: Cross multiply
    12,962,204.88x = 17,888,888.52 × 7,161,493.20
  4. Step 4: Simplify right side
    12,962,204.88x = 128,111,153,491,538.06
  5. Step 5: Solve for x
    x = 128,111,153,491,538.06/12,962,204.88
  6. Step 6: Final answer
    x = 9,883,438.40

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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.