Home / 9,657,643.20-14,486,464.80-7,418,155.20

Finding the Fourth Proportional to 9,657,643.20, 14,486,464.80 and 7,418,155.20

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Solution

The fourth proportional to 9,657,643.20, 14,486,464.80 and 7,418,155.20 is: 11,127,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657,643.20 : 14,486,464.80 = 7,418,155.20 : x
  2. Step 2: Convert to fraction form
    9,657,643.20/14,486,464.80 = 7,418,155.20/x
  3. Step 3: Cross multiply
    9,657,643.20x = 14,486,464.80 × 7,418,155.20
  4. Step 4: Simplify right side
    9,657,643.20x = 107,462,844,185,736.97
  5. Step 5: Solve for x
    x = 107,462,844,185,736.97/9,657,643.20
  6. Step 6: Final answer
    x = 11,127,232.80

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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.