Home / 8,640,382.65-11,923,497.03-4,772,820.57

Finding the Fourth Proportional to 8,640,382.65, 11,923,497.03 and 4,772,820.57

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Solution

The fourth proportional to 8,640,382.65, 11,923,497.03 and 4,772,820.57 is: 6,586,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,382.65 : 11,923,497.03 = 4,772,820.57 : x
  2. Step 2: Convert to fraction form
    8,640,382.65/11,923,497.03 = 4,772,820.57/x
  3. Step 3: Cross multiply
    8,640,382.65x = 11,923,497.03 × 4,772,820.57
  4. Step 4: Simplify right side
    8,640,382.65x = 56,908,711,891,117.91
  5. Step 5: Solve for x
    x = 56,908,711,891,117.91/8,640,382.65
  6. Step 6: Final answer
    x = 6,586,364.77

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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.