Home / 8,921,211.76-12,308,559.96-5,053,118.32

Finding the Fourth Proportional to 8,921,211.76, 12,308,559.96 and 5,053,118.32

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Solution

The fourth proportional to 8,921,211.76, 12,308,559.96 and 5,053,118.32 is: 6,971,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,211.76 : 12,308,559.96 = 5,053,118.32 : x
  2. Step 2: Convert to fraction form
    8,921,211.76/12,308,559.96 = 5,053,118.32/x
  3. Step 3: Cross multiply
    8,921,211.76x = 12,308,559.96 × 5,053,118.32
  4. Step 4: Simplify right side
    8,921,211.76x = 62,196,609,826,694.48
  5. Step 5: Solve for x
    x = 62,196,609,826,694.48/8,921,211.76
  6. Step 6: Final answer
    x = 6,971,767.01

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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.