Home / 12,926,576.59-17,838,671.31-7,125,455.21

Finding the Fourth Proportional to 12,926,576.59, 17,838,671.31 and 7,125,455.21

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Solution

The fourth proportional to 12,926,576.59, 17,838,671.31 and 7,125,455.21 is: 9,833,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,576.59 : 17,838,671.31 = 7,125,455.21 : x
  2. Step 2: Convert to fraction form
    12,926,576.59/17,838,671.31 = 7,125,455.21/x
  3. Step 3: Cross multiply
    12,926,576.59x = 17,838,671.31 × 7,125,455.21
  4. Step 4: Simplify right side
    12,926,576.59x = 127,108,653,386,294.92
  5. Step 5: Solve for x
    x = 127,108,653,386,294.92/12,926,576.59
  6. Step 6: Final answer
    x = 9,833,125.77

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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.