Home / 7,839,840.60-10,819,287.06-5,364,254.12

Finding the Fourth Proportional to 7,839,840.60, 10,819,287.06 and 5,364,254.12

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Solution

The fourth proportional to 7,839,840.60, 10,819,287.06 and 5,364,254.12 is: 7,402,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,840.60 : 10,819,287.06 = 5,364,254.12 : x
  2. Step 2: Convert to fraction form
    7,839,840.60/10,819,287.06 = 5,364,254.12/x
  3. Step 3: Cross multiply
    7,839,840.60x = 10,819,287.06 × 5,364,254.12
  4. Step 4: Simplify right side
    7,839,840.60x = 58,037,405,187,067.69
  5. Step 5: Solve for x
    x = 58,037,405,187,067.69/7,839,840.60
  6. Step 6: Final answer
    x = 7,402,880.77

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1.5x scale

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.