Home / 21,232,689.90-31,843,785.97-9,100,777.60

Finding the Fourth Proportional to 21,232,689.90, 31,843,785.97 and 9,100,777.60

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Solution

The fourth proportional to 21,232,689.90, 31,843,785.97 and 9,100,777.60 is: 13,648,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,689.90 : 31,843,785.97 = 9,100,777.60 : x
  2. Step 2: Convert to fraction form
    21,232,689.90/31,843,785.97 = 9,100,777.60/x
  3. Step 3: Cross multiply
    21,232,689.90x = 31,843,785.97 × 9,100,777.60
  4. Step 4: Simplify right side
    21,232,689.90x = 289,803,214,054,970.25
  5. Step 5: Solve for x
    x = 289,803,214,054,970.25/21,232,689.90
  6. Step 6: Final answer
    x = 13,648,916.62

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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.