Home / 20,464,743.68-28,241,436.48-11,297,461.76

Finding the Fourth Proportional to 20,464,743.68, 28,241,436.48 and 11,297,461.76

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Solution

The fourth proportional to 20,464,743.68, 28,241,436.48 and 11,297,461.76 is: 15,590,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,743.68 : 28,241,436.48 = 11,297,461.76 : x
  2. Step 2: Convert to fraction form
    20,464,743.68/28,241,436.48 = 11,297,461.76/x
  3. Step 3: Cross multiply
    20,464,743.68x = 28,241,436.48 × 11,297,461.76
  4. Step 4: Simplify right side
    20,464,743.68x = 319,056,548,680,269
  5. Step 5: Solve for x
    x = 319,056,548,680,269/20,464,743.68
  6. Step 6: Final answer
    x = 15,590,547.02

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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.