Home / 18,117,570.30-25,001,788.23-9,857,281.02

Finding the Fourth Proportional to 18,117,570.30, 25,001,788.23 and 9,857,281.02

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Solution

The fourth proportional to 18,117,570.30, 25,001,788.23 and 9,857,281.02 is: 13,602,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117,570.30 : 25,001,788.23 = 9,857,281.02 : x
  2. Step 2: Convert to fraction form
    18,117,570.30/25,001,788.23 = 9,857,281.02/x
  3. Step 3: Cross multiply
    18,117,570.30x = 25,001,788.23 × 9,857,281.02
  4. Step 4: Simplify right side
    18,117,570.30x = 246,449,652,585,638.38
  5. Step 5: Solve for x
    x = 246,449,652,585,638.38/18,117,570.30
  6. Step 6: Final answer
    x = 13,602,798.20

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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.