Home / 29,014,326.78-40,038,189.48-15,959,478.12

Finding the Fourth Proportional to 29,014,326.78, 40,038,189.48 and 15,959,478.12

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Solution

The fourth proportional to 29,014,326.78, 40,038,189.48 and 15,959,478.12 is: 22,023,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,014,326.78 : 40,038,189.48 = 15,959,478.12 : x
  2. Step 2: Convert to fraction form
    29,014,326.78/40,038,189.48 = 15,959,478.12/x
  3. Step 3: Cross multiply
    29,014,326.78x = 40,038,189.48 × 15,959,478.12
  4. Step 4: Simplify right side
    29,014,326.78x = 638,988,608,970,474.12
  5. Step 5: Solve for x
    x = 638,988,608,970,474.12/29,014,326.78
  6. Step 6: Final answer
    x = 22,023,209.91

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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.