Home / 6,720,012.40-10,080,018.60-6,135,427.30

Finding the Fourth Proportional to 6,720,012.40, 10,080,018.60 and 6,135,427.30

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Solution

The fourth proportional to 6,720,012.40, 10,080,018.60 and 6,135,427.30 is: 9,203,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,012.40 : 10,080,018.60 = 6,135,427.30 : x
  2. Step 2: Convert to fraction form
    6,720,012.40/10,080,018.60 = 6,135,427.30/x
  3. Step 3: Cross multiply
    6,720,012.40x = 10,080,018.60 × 6,135,427.30
  4. Step 4: Simplify right side
    6,720,012.40x = 61,845,221,302,947.77
  5. Step 5: Solve for x
    x = 61,845,221,302,947.77/6,720,012.40
  6. Step 6: Final answer
    x = 9,203,140.95

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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.