Home / 15,768,882.51-21,761,054.21-8,893,349.79

Finding the Fourth Proportional to 15,768,882.51, 21,761,054.21 and 8,893,349.79

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Solution

The fourth proportional to 15,768,882.51, 21,761,054.21 and 8,893,349.79 is: 12,272,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,882.51 : 21,761,054.21 = 8,893,349.79 : x
  2. Step 2: Convert to fraction form
    15,768,882.51/21,761,054.21 = 8,893,349.79/x
  3. Step 3: Cross multiply
    15,768,882.51x = 21,761,054.21 × 8,893,349.79
  4. Step 4: Simplify right side
    15,768,882.51x = 193,528,666,844,215.34
  5. Step 5: Solve for x
    x = 193,528,666,844,215.34/15,768,882.51
  6. Step 6: Final answer
    x = 12,272,820.65

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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.