Home / 13,045,140.56-18,001,689-7,244,292.08

Finding the Fourth Proportional to 13,045,140.56, 18,001,689 and 7,244,292.08

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Solution

The fourth proportional to 13,045,140.56, 18,001,689 and 7,244,292.08 is: 9,996,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,140.56 : 18,001,689 = 7,244,292.08 : x
  2. Step 2: Convert to fraction form
    13,045,140.56/18,001,689 = 7,244,292.08/x
  3. Step 3: Cross multiply
    13,045,140.56x = 18,001,689 × 7,244,292.08
  4. Step 4: Simplify right side
    13,045,140.56x = 130,409,493,049,323.12
  5. Step 5: Solve for x
    x = 130,409,493,049,323.12/13,045,140.56
  6. Step 6: Final answer
    x = 9,996,787.11

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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.