Home / 7,839,384.21-10,818,653.48-4,354,986.82

Finding the Fourth Proportional to 7,839,384.21, 10,818,653.48 and 4,354,986.82

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Solution

The fourth proportional to 7,839,384.21, 10,818,653.48 and 4,354,986.82 is: 6,010,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,384.21 : 10,818,653.48 = 4,354,986.82 : x
  2. Step 2: Convert to fraction form
    7,839,384.21/10,818,653.48 = 4,354,986.82/x
  3. Step 3: Cross multiply
    7,839,384.21x = 10,818,653.48 × 4,354,986.82
  4. Step 4: Simplify right side
    7,839,384.21x = 47,115,093,315,547.14
  5. Step 5: Solve for x
    x = 47,115,093,315,547.14/7,839,384.21
  6. Step 6: Final answer
    x = 6,010,050.29

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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.