Home / 9,638,415.15-13,300,934.17-5,228,129.76

Finding the Fourth Proportional to 9,638,415.15, 13,300,934.17 and 5,228,129.76

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Solution

The fourth proportional to 9,638,415.15, 13,300,934.17 and 5,228,129.76 is: 7,214,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638,415.15 : 13,300,934.17 = 5,228,129.76 : x
  2. Step 2: Convert to fraction form
    9,638,415.15/13,300,934.17 = 5,228,129.76/x
  3. Step 3: Cross multiply
    9,638,415.15x = 13,300,934.17 × 5,228,129.76
  4. Step 4: Simplify right side
    9,638,415.15x = 69,539,009,769,977.90
  5. Step 5: Solve for x
    x = 69,539,009,769,977.90/9,638,415.15
  6. Step 6: Final answer
    x = 7,214,776.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.