Home / 8,415,036.70-12,622,555.05-7,375,774.30

Finding the Fourth Proportional to 8,415,036.70, 12,622,555.05 and 7,375,774.30

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Solution

The fourth proportional to 8,415,036.70, 12,622,555.05 and 7,375,774.30 is: 11,063,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,036.70 : 12,622,555.05 = 7,375,774.30 : x
  2. Step 2: Convert to fraction form
    8,415,036.70/12,622,555.05 = 7,375,774.30/x
  3. Step 3: Cross multiply
    8,415,036.70x = 12,622,555.05 × 7,375,774.30
  4. Step 4: Simplify right side
    8,415,036.70x = 93,101,117,138,125.22
  5. Step 5: Solve for x
    x = 93,101,117,138,125.22/8,415,036.70
  6. Step 6: Final answer
    x = 11,063,661.45

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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.