Home / 13,168,389.20-18,173,083.02-7,366,824.92

Finding the Fourth Proportional to 13,168,389.20, 18,173,083.02 and 7,366,824.92

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Solution

The fourth proportional to 13,168,389.20, 18,173,083.02 and 7,366,824.92 is: 10,166,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,389.20 : 18,173,083.02 = 7,366,824.92 : x
  2. Step 2: Convert to fraction form
    13,168,389.20/18,173,083.02 = 7,366,824.92/x
  3. Step 3: Cross multiply
    13,168,389.20x = 18,173,083.02 × 7,366,824.92
  4. Step 4: Simplify right side
    13,168,389.20x = 133,877,920,864,964.86
  5. Step 5: Solve for x
    x = 133,877,920,864,964.86/13,168,389.20
  6. Step 6: Final answer
    x = 10,166,613.31

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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.