Home / 21,199,296.76-31,798,955.04-6,822,362.80

Finding the Fourth Proportional to 21,199,296.76, 31,798,955.04 and 6,822,362.80

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Solution

The fourth proportional to 21,199,296.76, 31,798,955.04 and 6,822,362.80 is: 10,233,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199,296.76 : 31,798,955.04 = 6,822,362.80 : x
  2. Step 2: Convert to fraction form
    21,199,296.76/31,798,955.04 = 6,822,362.80/x
  3. Step 3: Cross multiply
    21,199,296.76x = 31,798,955.04 × 6,822,362.80
  4. Step 4: Simplify right side
    21,199,296.76x = 216,944,007,943,768.50
  5. Step 5: Solve for x
    x = 216,944,007,943,768.50/21,199,296.76
  6. Step 6: Final answer
    x = 10,233,547.39

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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.