Home / 9,179,880.48-12,668,684.04-5,105,412

Finding the Fourth Proportional to 9,179,880.48, 12,668,684.04 and 5,105,412

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Solution

The fourth proportional to 9,179,880.48, 12,668,684.04 and 5,105,412 is: 7,045,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,880.48 : 12,668,684.04 = 5,105,412 : x
  2. Step 2: Convert to fraction form
    9,179,880.48/12,668,684.04 = 5,105,412/x
  3. Step 3: Cross multiply
    9,179,880.48x = 12,668,684.04 × 5,105,412
  4. Step 4: Simplify right side
    9,179,880.48x = 64,678,851,522,024.48
  5. Step 5: Solve for x
    x = 64,678,851,522,024.48/9,179,880.48
  6. Step 6: Final answer
    x = 7,045,718.26

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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.