Home / 15,739,326.44-21,720,315.48-9,125,200.28

Finding the Fourth Proportional to 15,739,326.44, 21,720,315.48 and 9,125,200.28

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Solution

The fourth proportional to 15,739,326.44, 21,720,315.48 and 9,125,200.28 is: 12,592,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,326.44 : 21,720,315.48 = 9,125,200.28 : x
  2. Step 2: Convert to fraction form
    15,739,326.44/21,720,315.48 = 9,125,200.28/x
  3. Step 3: Cross multiply
    15,739,326.44x = 21,720,315.48 × 9,125,200.28
  4. Step 4: Simplify right side
    15,739,326.44x = 198,202,228,899,784.31
  5. Step 5: Solve for x
    x = 198,202,228,899,784.31/15,739,326.44
  6. Step 6: Final answer
    x = 12,592,802.47

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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.