Home / 7,247,038.20-9,999,817.02-3,983,991

Finding the Fourth Proportional to 7,247,038.20, 9,999,817.02 and 3,983,991

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Solution

The fourth proportional to 7,247,038.20, 9,999,817.02 and 3,983,991 is: 5,497,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,038.20 : 9,999,817.02 = 3,983,991 : x
  2. Step 2: Convert to fraction form
    7,247,038.20/9,999,817.02 = 3,983,991/x
  3. Step 3: Cross multiply
    7,247,038.20x = 9,999,817.02 × 3,983,991
  4. Step 4: Simplify right side
    7,247,038.20x = 39,839,181,009,326.82
  5. Step 5: Solve for x
    x = 39,839,181,009,326.82/7,247,038.20
  6. Step 6: Final answer
    x = 5,497,305.23

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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.