Home / 8,515,371.52-11,750,920.96-5,075,840

Finding the Fourth Proportional to 8,515,371.52, 11,750,920.96 and 5,075,840

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Solution

The fourth proportional to 8,515,371.52, 11,750,920.96 and 5,075,840 is: 7,004,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,371.52 : 11,750,920.96 = 5,075,840 : x
  2. Step 2: Convert to fraction form
    8,515,371.52/11,750,920.96 = 5,075,840/x
  3. Step 3: Cross multiply
    8,515,371.52x = 11,750,920.96 × 5,075,840
  4. Step 4: Simplify right side
    8,515,371.52x = 59,645,794,645,606.41
  5. Step 5: Solve for x
    x = 59,645,794,645,606.41/8,515,371.52
  6. Step 6: Final answer
    x = 7,004,485.30

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1.5x scale

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.