Home / 12,065,455.60-18,087,685.80-7,268,052.40

Finding the Fourth Proportional to 12,065,455.60, 18,087,685.80 and 7,268,052.40

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Solution

The fourth proportional to 12,065,455.60, 18,087,685.80 and 7,268,052.40 is: 10,895,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065,455.60 : 18,087,685.80 = 7,268,052.40 : x
  2. Step 2: Convert to fraction form
    12,065,455.60/18,087,685.80 = 7,268,052.40/x
  3. Step 3: Cross multiply
    12,065,455.60x = 18,087,685.80 × 7,268,052.40
  4. Step 4: Simplify right side
    12,065,455.60x = 131,462,248,189,135.94
  5. Step 5: Solve for x
    x = 131,462,248,189,135.94/12,065,455.60
  6. Step 6: Final answer
    x = 10,895,755.00

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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.