Home / 20,255,827.51-30,386,905.78-6,605,799.16

Finding the Fourth Proportional to 20,255,827.51, 30,386,905.78 and 6,605,799.16

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Solution

The fourth proportional to 20,255,827.51, 30,386,905.78 and 6,605,799.16 is: 9,909,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,827.51 : 30,386,905.78 = 6,605,799.16 : x
  2. Step 2: Convert to fraction form
    20,255,827.51/30,386,905.78 = 6,605,799.16/x
  3. Step 3: Cross multiply
    20,255,827.51x = 30,386,905.78 × 6,605,799.16
  4. Step 4: Simplify right side
    20,255,827.51x = 200,729,796,491,559.62
  5. Step 5: Solve for x
    x = 200,729,796,491,559.62/20,255,827.51
  6. Step 6: Final answer
    x = 9,909,730.74

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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.