Home / 18,866,969.78-26,036,506.47-10,718,654.90

Finding the Fourth Proportional to 18,866,969.78, 26,036,506.47 and 10,718,654.90

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Solution

The fourth proportional to 18,866,969.78, 26,036,506.47 and 10,718,654.90 is: 14,791,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,969.78 : 26,036,506.47 = 10,718,654.90 : x
  2. Step 2: Convert to fraction form
    18,866,969.78/26,036,506.47 = 10,718,654.90/x
  3. Step 3: Cross multiply
    18,866,969.78x = 26,036,506.47 × 10,718,654.90
  4. Step 4: Simplify right side
    18,866,969.78x = 279,076,327,768,148.50
  5. Step 5: Solve for x
    x = 279,076,327,768,148.50/18,866,969.78
  6. Step 6: Final answer
    x = 14,791,793.86

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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.