Home / 12,926,513.66-17,838,584.48-7,125,392.30

Finding the Fourth Proportional to 12,926,513.66, 17,838,584.48 and 7,125,392.30

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Solution

The fourth proportional to 12,926,513.66, 17,838,584.48 and 7,125,392.30 is: 9,833,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,513.66 : 17,838,584.48 = 7,125,392.30 : x
  2. Step 2: Convert to fraction form
    12,926,513.66/17,838,584.48 = 7,125,392.30/x
  3. Step 3: Cross multiply
    12,926,513.66x = 17,838,584.48 × 7,125,392.30
  4. Step 4: Simplify right side
    12,926,513.66x = 127,106,912,496,691.50
  5. Step 5: Solve for x
    x = 127,106,912,496,691.50/12,926,513.66
  6. Step 6: Final answer
    x = 9,833,038.96

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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.