Home / 12,828,557-17,703,411.86-7,027,545.04

Finding the Fourth Proportional to 12,828,557, 17,703,411.86 and 7,027,545.04

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Solution

The fourth proportional to 12,828,557, 17,703,411.86 and 7,027,545.04 is: 9,698,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,557 : 17,703,411.86 = 7,027,545.04 : x
  2. Step 2: Convert to fraction form
    12,828,557/17,703,411.86 = 7,027,545.04/x
  3. Step 3: Cross multiply
    12,828,557x = 17,703,411.86 × 7,027,545.04
  4. Step 4: Simplify right side
    12,828,557x = 124,411,524,207,820.17
  5. Step 5: Solve for x
    x = 124,411,524,207,820.17/12,828,557
  6. Step 6: Final answer
    x = 9,698,013.91

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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.