Home / 9,869,979.20-14,804,968.80-7,627,726.40

Finding the Fourth Proportional to 9,869,979.20, 14,804,968.80 and 7,627,726.40

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Solution

The fourth proportional to 9,869,979.20, 14,804,968.80 and 7,627,726.40 is: 11,441,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,979.20 : 14,804,968.80 = 7,627,726.40 : x
  2. Step 2: Convert to fraction form
    9,869,979.20/14,804,968.80 = 7,627,726.40/x
  3. Step 3: Cross multiply
    9,869,979.20x = 14,804,968.80 × 7,627,726.40
  4. Step 4: Simplify right side
    9,869,979.20x = 112,928,251,366,936.33
  5. Step 5: Solve for x
    x = 112,928,251,366,936.33/9,869,979.20
  6. Step 6: Final answer
    x = 11,441,589.60

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1.5x scale

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.