Home / 12,418,121.18-17,137,570.88-6,911,848.10

Finding the Fourth Proportional to 12,418,121.18, 17,137,570.88 and 6,911,848.10

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Solution

The fourth proportional to 12,418,121.18, 17,137,570.88 and 6,911,848.10 is: 9,538,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,121.18 : 17,137,570.88 = 6,911,848.10 : x
  2. Step 2: Convert to fraction form
    12,418,121.18/17,137,570.88 = 6,911,848.10/x
  3. Step 3: Cross multiply
    12,418,121.18x = 17,137,570.88 × 6,911,848.10
  4. Step 4: Simplify right side
    12,418,121.18x = 118,452,286,725,543.31
  5. Step 5: Solve for x
    x = 118,452,286,725,543.31/12,418,121.18
  6. Step 6: Final answer
    x = 9,538,664.10

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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.