Home / 12,686,663.24-17,507,721.30-6,885,496.52

Finding the Fourth Proportional to 12,686,663.24, 17,507,721.30 and 6,885,496.52

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Solution

The fourth proportional to 12,686,663.24, 17,507,721.30 and 6,885,496.52 is: 9,502,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,663.24 : 17,507,721.30 = 6,885,496.52 : x
  2. Step 2: Convert to fraction form
    12,686,663.24/17,507,721.30 = 6,885,496.52/x
  3. Step 3: Cross multiply
    12,686,663.24x = 17,507,721.30 × 6,885,496.52
  4. Step 4: Simplify right side
    12,686,663.24x = 120,549,354,084,279.88
  5. Step 5: Solve for x
    x = 120,549,354,084,279.88/12,686,663.24
  6. Step 6: Final answer
    x = 9,502,053.60

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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.