Home / 12,822,857.28-19,241,368.56-7,146,280.08

Finding the Fourth Proportional to 12,822,857.28, 19,241,368.56 and 7,146,280.08

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Solution

The fourth proportional to 12,822,857.28, 19,241,368.56 and 7,146,280.08 is: 10,723,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,857.28 : 19,241,368.56 = 7,146,280.08 : x
  2. Step 2: Convert to fraction form
    12,822,857.28/19,241,368.56 = 7,146,280.08/x
  3. Step 3: Cross multiply
    12,822,857.28x = 19,241,368.56 × 7,146,280.08
  4. Step 4: Simplify right side
    12,822,857.28x = 137,504,208,852,266.28
  5. Step 5: Solve for x
    x = 137,504,208,852,266.28/12,822,857.28
  6. Step 6: Final answer
    x = 10,723,367.33

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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.