Home / 13,702,890.15-18,908,462.75-7,589,787.75

Finding the Fourth Proportional to 13,702,890.15, 18,908,462.75 and 7,589,787.75

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Solution

The fourth proportional to 13,702,890.15, 18,908,462.75 and 7,589,787.75 is: 10,473,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,890.15 : 18,908,462.75 = 7,589,787.75 : x
  2. Step 2: Convert to fraction form
    13,702,890.15/18,908,462.75 = 7,589,787.75/x
  3. Step 3: Cross multiply
    13,702,890.15x = 18,908,462.75 × 7,589,787.75
  4. Step 4: Simplify right side
    13,702,890.15x = 143,511,218,913,332.38
  5. Step 5: Solve for x
    x = 143,511,218,913,332.38/13,702,890.15
  6. Step 6: Final answer
    x = 10,473,062.06

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1.5x scale

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.