Home / 12,828,572-17,703,434.12-7,027,562.80

Finding the Fourth Proportional to 12,828,572, 17,703,434.12 and 7,027,562.80

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Solution

The fourth proportional to 12,828,572, 17,703,434.12 and 7,027,562.80 is: 9,698,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,572 : 17,703,434.12 = 7,027,562.80 : x
  2. Step 2: Convert to fraction form
    12,828,572/17,703,434.12 = 7,027,562.80/x
  3. Step 3: Cross multiply
    12,828,572x = 17,703,434.12 × 7,027,562.80
  4. Step 4: Simplify right side
    12,828,572x = 124,411,995,053,962.73
  5. Step 5: Solve for x
    x = 124,411,995,053,962.73/12,828,572
  6. Step 6: Final answer
    x = 9,698,039.27

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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.