Home / 7,338,979.20-11,008,468.80-1,948,461.60

Finding the Fourth Proportional to 7,338,979.20, 11,008,468.80 and 1,948,461.60

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Solution

The fourth proportional to 7,338,979.20, 11,008,468.80 and 1,948,461.60 is: 2,922,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,979.20 : 11,008,468.80 = 1,948,461.60 : x
  2. Step 2: Convert to fraction form
    7,338,979.20/11,008,468.80 = 1,948,461.60/x
  3. Step 3: Cross multiply
    7,338,979.20x = 11,008,468.80 × 1,948,461.60
  4. Step 4: Simplify right side
    7,338,979.20x = 21,449,578,731,598.08
  5. Step 5: Solve for x
    x = 21,449,578,731,598.08/7,338,979.20
  6. Step 6: Final answer
    x = 2,922,692.40

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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.