Home / 7,485,386.40-11,207,084.40-7,275,434.40

Finding the Fourth Proportional to 7,485,386.40, 11,207,084.40 and 7,275,434.40

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Solution

The fourth proportional to 7,485,386.40, 11,207,084.40 and 7,275,434.40 is: 10,892,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,386.40 : 11,207,084.40 = 7,275,434.40 : x
  2. Step 2: Convert to fraction form
    7,485,386.40/11,207,084.40 = 7,275,434.40/x
  3. Step 3: Cross multiply
    7,485,386.40x = 11,207,084.40 × 7,275,434.40
  4. Step 4: Simplify right side
    7,485,386.40x = 81,536,407,367,463.36
  5. Step 5: Solve for x
    x = 81,536,407,367,463.36/7,485,386.40
  6. Step 6: Final answer
    x = 10,892,745.28

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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.