Home / 10,371,665.20-15,557,497.80-2,798,618.80

Finding the Fourth Proportional to 10,371,665.20, 15,557,497.80 and 2,798,618.80

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Solution

The fourth proportional to 10,371,665.20, 15,557,497.80 and 2,798,618.80 is: 4,197,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,665.20 : 15,557,497.80 = 2,798,618.80 : x
  2. Step 2: Convert to fraction form
    10,371,665.20/15,557,497.80 = 2,798,618.80/x
  3. Step 3: Cross multiply
    10,371,665.20x = 15,557,497.80 × 2,798,618.80
  4. Step 4: Simplify right side
    10,371,665.20x = 43,539,505,824,038.64
  5. Step 5: Solve for x
    x = 43,539,505,824,038.64/10,371,665.20
  6. Step 6: Final answer
    x = 4,197,928.20

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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.