Home / 10,658,626.80-15,987,940.20-7,411,369.20

Finding the Fourth Proportional to 10,658,626.80, 15,987,940.20 and 7,411,369.20

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Solution

The fourth proportional to 10,658,626.80, 15,987,940.20 and 7,411,369.20 is: 11,117,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,626.80 : 15,987,940.20 = 7,411,369.20 : x
  2. Step 2: Convert to fraction form
    10,658,626.80/15,987,940.20 = 7,411,369.20/x
  3. Step 3: Cross multiply
    10,658,626.80x = 15,987,940.20 × 7,411,369.20
  4. Step 4: Simplify right side
    10,658,626.80x = 118,492,527,569,721.84
  5. Step 5: Solve for x
    x = 118,492,527,569,721.84/10,658,626.80
  6. Step 6: Final answer
    x = 11,117,053.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.