Home / 21,229,335.48-29,289,435.84-17,302,339.20

Finding the Fourth Proportional to 21,229,335.48, 29,289,435.84 and 17,302,339.20

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Solution

The fourth proportional to 21,229,335.48, 29,289,435.84 and 17,302,339.20 is: 23,871,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229,335.48 : 29,289,435.84 = 17,302,339.20 : x
  2. Step 2: Convert to fraction form
    21,229,335.48/29,289,435.84 = 17,302,339.20/x
  3. Step 3: Cross multiply
    21,229,335.48x = 29,289,435.84 × 17,302,339.20
  4. Step 4: Simplify right side
    21,229,335.48x = 506,775,753,880,316.88
  5. Step 5: Solve for x
    x = 506,775,753,880,316.88/21,229,335.48
  6. Step 6: Final answer
    x = 23,871,484.55

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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.