Home / 19,847,809.20-29,771,713.80-6,384,637.20

Finding the Fourth Proportional to 19,847,809.20, 29,771,713.80 and 6,384,637.20

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Solution

The fourth proportional to 19,847,809.20, 29,771,713.80 and 6,384,637.20 is: 9,576,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,809.20 : 29,771,713.80 = 6,384,637.20 : x
  2. Step 2: Convert to fraction form
    19,847,809.20/29,771,713.80 = 6,384,637.20/x
  3. Step 3: Cross multiply
    19,847,809.20x = 29,771,713.80 × 6,384,637.20
  4. Step 4: Simplify right side
    19,847,809.20x = 190,081,591,435,233.38
  5. Step 5: Solve for x
    x = 190,081,591,435,233.38/19,847,809.20
  6. Step 6: Final answer
    x = 9,576,955.80

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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.