Home / 14,435,065.86-19,920,390.32-7,908,942.84

Finding the Fourth Proportional to 14,435,065.86, 19,920,390.32 and 7,908,942.84

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Solution

The fourth proportional to 14,435,065.86, 19,920,390.32 and 7,908,942.84 is: 10,914,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,065.86 : 19,920,390.32 = 7,908,942.84 : x
  2. Step 2: Convert to fraction form
    14,435,065.86/19,920,390.32 = 7,908,942.84/x
  3. Step 3: Cross multiply
    14,435,065.86x = 19,920,390.32 × 7,908,942.84
  4. Step 4: Simplify right side
    14,435,065.86x = 157,549,228,391,369.31
  5. Step 5: Solve for x
    x = 157,549,228,391,369.31/14,435,065.86
  6. Step 6: Final answer
    x = 10,914,340.81

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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.