Home / 15,739,327.09-21,720,316.37-9,125,200.93

Finding the Fourth Proportional to 15,739,327.09, 21,720,316.37 and 9,125,200.93

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Solution

The fourth proportional to 15,739,327.09, 21,720,316.37 and 9,125,200.93 is: 12,592,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,327.09 : 21,720,316.37 = 9,125,200.93 : x
  2. Step 2: Convert to fraction form
    15,739,327.09/21,720,316.37 = 9,125,200.93/x
  3. Step 3: Cross multiply
    15,739,327.09x = 21,720,316.37 × 9,125,200.93
  4. Step 4: Simplify right side
    15,739,327.09x = 198,202,251,139,418.22
  5. Step 5: Solve for x
    x = 198,202,251,139,418.22/15,739,327.09
  6. Step 6: Final answer
    x = 12,592,803.36

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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.