Home / 13,425,144.96-18,528,038.28-8,197,865.04

Finding the Fourth Proportional to 13,425,144.96, 18,528,038.28 and 8,197,865.04

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Solution

The fourth proportional to 13,425,144.96, 18,528,038.28 and 8,197,865.04 is: 11,313,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,144.96 : 18,528,038.28 = 8,197,865.04 : x
  2. Step 2: Convert to fraction form
    13,425,144.96/18,528,038.28 = 8,197,865.04/x
  3. Step 3: Cross multiply
    13,425,144.96x = 18,528,038.28 × 8,197,865.04
  4. Step 4: Simplify right side
    13,425,144.96x = 151,890,357,275,393.75
  5. Step 5: Solve for x
    x = 151,890,357,275,393.75/13,425,144.96
  6. Step 6: Final answer
    x = 11,313,870.93

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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.