Home / 21,804,851.20-32,707,276.80-6,658,758.40

Finding the Fourth Proportional to 21,804,851.20, 32,707,276.80 and 6,658,758.40

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Solution

The fourth proportional to 21,804,851.20, 32,707,276.80 and 6,658,758.40 is: 9,988,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,851.20 : 32,707,276.80 = 6,658,758.40 : x
  2. Step 2: Convert to fraction form
    21,804,851.20/32,707,276.80 = 6,658,758.40/x
  3. Step 3: Cross multiply
    21,804,851.20x = 32,707,276.80 × 6,658,758.40
  4. Step 4: Simplify right side
    21,804,851.20x = 217,789,854,133,125.12
  5. Step 5: Solve for x
    x = 217,789,854,133,125.12/21,804,851.20
  6. Step 6: Final answer
    x = 9,988,137.60

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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.