Home / 8,717,991.57-12,030,640.65-5,047,063.47

Finding the Fourth Proportional to 8,717,991.57, 12,030,640.65 and 5,047,063.47

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Solution

The fourth proportional to 8,717,991.57, 12,030,640.65 and 5,047,063.47 is: 6,964,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717,991.57 : 12,030,640.65 = 5,047,063.47 : x
  2. Step 2: Convert to fraction form
    8,717,991.57/12,030,640.65 = 5,047,063.47/x
  3. Step 3: Cross multiply
    8,717,991.57x = 12,030,640.65 × 5,047,063.47
  4. Step 4: Simplify right side
    8,717,991.57x = 60,719,406,945,312.05
  5. Step 5: Solve for x
    x = 60,719,406,945,312.05/8,717,991.57
  6. Step 6: Final answer
    x = 6,964,838.91

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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.