Home / 7,205,985.25-10,810,519.84-2,657,047.12

Finding the Fourth Proportional to 7,205,985.25, 10,810,519.84 and 2,657,047.12

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Solution

The fourth proportional to 7,205,985.25, 10,810,519.84 and 2,657,047.12 is: 3,986,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,985.25 : 10,810,519.84 = 2,657,047.12 : x
  2. Step 2: Convert to fraction form
    7,205,985.25/10,810,519.84 = 2,657,047.12/x
  3. Step 3: Cross multiply
    7,205,985.25x = 10,810,519.84 × 2,657,047.12
  4. Step 4: Simplify right side
    7,205,985.25x = 28,724,060,582,869.88
  5. Step 5: Solve for x
    x = 28,724,060,582,869.88/7,205,985.25
  6. Step 6: Final answer
    x = 3,986,139.24

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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.