Home / 21,804,868.40-32,671,873.20-18,191,069.60

Finding the Fourth Proportional to 21,804,868.40, 32,671,873.20 and 18,191,069.60

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Solution

The fourth proportional to 21,804,868.40, 32,671,873.20 and 18,191,069.60 is: 27,257,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,868.40 : 32,671,873.20 = 18,191,069.60 : x
  2. Step 2: Convert to fraction form
    21,804,868.40/32,671,873.20 = 18,191,069.60/x
  3. Step 3: Cross multiply
    21,804,868.40x = 32,671,873.20 × 18,191,069.60
  4. Step 4: Simplify right side
    21,804,868.40x = 594,336,319,343,574.75
  5. Step 5: Solve for x
    x = 594,336,319,343,574.75/21,804,868.40
  6. Step 6: Final answer
    x = 27,257,046.84

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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.