Home / 9,206,878.84-12,706,249.28-5,077,717.65

Finding the Fourth Proportional to 9,206,878.84, 12,706,249.28 and 5,077,717.65

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Solution

The fourth proportional to 9,206,878.84, 12,706,249.28 and 5,077,717.65 is: 7,007,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,878.84 : 12,706,249.28 = 5,077,717.65 : x
  2. Step 2: Convert to fraction form
    9,206,878.84/12,706,249.28 = 5,077,717.65/x
  3. Step 3: Cross multiply
    9,206,878.84x = 12,706,249.28 × 5,077,717.65
  4. Step 4: Simplify right side
    9,206,878.84x = 64,518,746,208,967.21
  5. Step 5: Solve for x
    x = 64,518,746,208,967.21/9,206,878.84
  6. Step 6: Final answer
    x = 7,007,667.57

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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.