Home / 21,887,853.60-32,831,780.40-6,739,816.80

Finding the Fourth Proportional to 21,887,853.60, 32,831,780.40 and 6,739,816.80

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Solution

The fourth proportional to 21,887,853.60, 32,831,780.40 and 6,739,816.80 is: 10,109,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,853.60 : 32,831,780.40 = 6,739,816.80 : x
  2. Step 2: Convert to fraction form
    21,887,853.60/32,831,780.40 = 6,739,816.80/x
  3. Step 3: Cross multiply
    21,887,853.60x = 32,831,780.40 × 6,739,816.80
  4. Step 4: Simplify right side
    21,887,853.60x = 221,280,185,113,830.72
  5. Step 5: Solve for x
    x = 221,280,185,113,830.72/21,887,853.60
  6. Step 6: Final answer
    x = 10,109,725.20

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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.