Home / 7,709,940-10,639,950.48-4,271,859.36

Finding the Fourth Proportional to 7,709,940, 10,639,950.48 and 4,271,859.36

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Solution

The fourth proportional to 7,709,940, 10,639,950.48 and 4,271,859.36 is: 5,895,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,940 : 10,639,950.48 = 4,271,859.36 : x
  2. Step 2: Convert to fraction form
    7,709,940/10,639,950.48 = 4,271,859.36/x
  3. Step 3: Cross multiply
    7,709,940x = 10,639,950.48 × 4,271,859.36
  4. Step 4: Simplify right side
    7,709,940x = 45,452,372,047,924.50
  5. Step 5: Solve for x
    x = 45,452,372,047,924.50/7,709,940
  6. Step 6: Final answer
    x = 5,895,295.17

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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.