Home / 12,585,940.20-18,878,910.30-10,566,464.40

Finding the Fourth Proportional to 12,585,940.20, 18,878,910.30 and 10,566,464.40

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Solution

The fourth proportional to 12,585,940.20, 18,878,910.30 and 10,566,464.40 is: 15,849,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,940.20 : 18,878,910.30 = 10,566,464.40 : x
  2. Step 2: Convert to fraction form
    12,585,940.20/18,878,910.30 = 10,566,464.40/x
  3. Step 3: Cross multiply
    12,585,940.20x = 18,878,910.30 × 10,566,464.40
  4. Step 4: Simplify right side
    12,585,940.20x = 199,483,333,595,743.34
  5. Step 5: Solve for x
    x = 199,483,333,595,743.34/12,585,940.20
  6. Step 6: Final answer
    x = 15,849,696.60

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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.