Home / 9,578,263.36-13,218,310.80-5,448,187.84

Finding the Fourth Proportional to 9,578,263.36, 13,218,310.80 and 5,448,187.84

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Solution

The fourth proportional to 9,578,263.36, 13,218,310.80 and 5,448,187.84 is: 7,518,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,263.36 : 13,218,310.80 = 5,448,187.84 : x
  2. Step 2: Convert to fraction form
    9,578,263.36/13,218,310.80 = 5,448,187.84/x
  3. Step 3: Cross multiply
    9,578,263.36x = 13,218,310.80 × 5,448,187.84
  4. Step 4: Simplify right side
    9,578,263.36x = 72,015,840,165,900.67
  5. Step 5: Solve for x
    x = 72,015,840,165,900.67/9,578,263.36
  6. Step 6: Final answer
    x = 7,518,674.05

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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.