Home / 34,659,717.48-47,831,139.90-18,979,400.52

Finding the Fourth Proportional to 34,659,717.48, 47,831,139.90 and 18,979,400.52

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Solution

The fourth proportional to 34,659,717.48, 47,831,139.90 and 18,979,400.52 is: 26,191,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659,717.48 : 47,831,139.90 = 18,979,400.52 : x
  2. Step 2: Convert to fraction form
    34,659,717.48/47,831,139.90 = 18,979,400.52/x
  3. Step 3: Cross multiply
    34,659,717.48x = 47,831,139.90 × 18,979,400.52
  4. Step 4: Simplify right side
    34,659,717.48x = 907,806,361,490,252.75
  5. Step 5: Solve for x
    x = 907,806,361,490,252.75/34,659,717.48
  6. Step 6: Final answer
    x = 26,191,972.34

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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.