Home / 7,700,399.84-10,626,635.76-4,262,698.28

Finding the Fourth Proportional to 7,700,399.84, 10,626,635.76 and 4,262,698.28

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Solution

The fourth proportional to 7,700,399.84, 10,626,635.76 and 4,262,698.28 is: 5,882,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,399.84 : 10,626,635.76 = 4,262,698.28 : x
  2. Step 2: Convert to fraction form
    7,700,399.84/10,626,635.76 = 4,262,698.28/x
  3. Step 3: Cross multiply
    7,700,399.84x = 10,626,635.76 × 4,262,698.28
  4. Step 4: Simplify right side
    7,700,399.84x = 45,298,141,976,338.49
  5. Step 5: Solve for x
    x = 45,298,141,976,338.49/7,700,399.84
  6. Step 6: Final answer
    x = 5,882,570.12

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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.