Home / 21,032,580.80-31,546,538.40-5,888,043.20

Finding the Fourth Proportional to 21,032,580.80, 31,546,538.40 and 5,888,043.20

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Solution

The fourth proportional to 21,032,580.80, 31,546,538.40 and 5,888,043.20 is: 8,831,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,580.80 : 31,546,538.40 = 5,888,043.20 : x
  2. Step 2: Convert to fraction form
    21,032,580.80/31,546,538.40 = 5,888,043.20/x
  3. Step 3: Cross multiply
    21,032,580.80x = 31,546,538.40 × 5,888,043.20
  4. Step 4: Simplify right side
    21,032,580.80x = 185,747,380,909,658.88
  5. Step 5: Solve for x
    x = 185,747,380,909,658.88/21,032,580.80
  6. Step 6: Final answer
    x = 8,831,411.74

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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.