Home / 12,354,887.48-18,540,703.76-5,069,664.31

Finding the Fourth Proportional to 12,354,887.48, 18,540,703.76 and 5,069,664.31

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Solution

The fourth proportional to 12,354,887.48, 18,540,703.76 and 5,069,664.31 is: 7,607,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,887.48 : 18,540,703.76 = 5,069,664.31 : x
  2. Step 2: Convert to fraction form
    12,354,887.48/18,540,703.76 = 5,069,664.31/x
  3. Step 3: Cross multiply
    12,354,887.48x = 18,540,703.76 × 5,069,664.31
  4. Step 4: Simplify right side
    12,354,887.48x = 93,995,144,151,193.61
  5. Step 5: Solve for x
    x = 93,995,144,151,193.61/12,354,887.48
  6. Step 6: Final answer
    x = 7,607,932.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.