Home / 15,442,873.83-21,313,055.88-8,916,492.42

Finding the Fourth Proportional to 15,442,873.83, 21,313,055.88 and 8,916,492.42

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Solution

The fourth proportional to 15,442,873.83, 21,313,055.88 and 8,916,492.42 is: 12,305,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,873.83 : 21,313,055.88 = 8,916,492.42 : x
  2. Step 2: Convert to fraction form
    15,442,873.83/21,313,055.88 = 8,916,492.42/x
  3. Step 3: Cross multiply
    15,442,873.83x = 21,313,055.88 × 8,916,492.42
  4. Step 4: Simplify right side
    15,442,873.83x = 190,037,701,201,056.41
  5. Step 5: Solve for x
    x = 190,037,701,201,056.41/15,442,873.83
  6. Step 6: Final answer
    x = 12,305,850.80

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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.