Home / 13,442,833.89-18,547,922.14-7,641,158.94

Finding the Fourth Proportional to 13,442,833.89, 18,547,922.14 and 7,641,158.94

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Solution

The fourth proportional to 13,442,833.89, 18,547,922.14 and 7,641,158.94 is: 10,542,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,833.89 : 18,547,922.14 = 7,641,158.94 : x
  2. Step 2: Convert to fraction form
    13,442,833.89/18,547,922.14 = 7,641,158.94/x
  3. Step 3: Cross multiply
    13,442,833.89x = 18,547,922.14 × 7,641,158.94
  4. Step 4: Simplify right side
    13,442,833.89x = 141,727,621,078,484.94
  5. Step 5: Solve for x
    x = 141,727,621,078,484.94/13,442,833.89
  6. Step 6: Final answer
    x = 10,542,986.86

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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.