Home / 10,125,880.39-13,973,714.51-5,479,665.57

Finding the Fourth Proportional to 10,125,880.39, 13,973,714.51 and 5,479,665.57

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Solution

The fourth proportional to 10,125,880.39, 13,973,714.51 and 5,479,665.57 is: 7,561,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,880.39 : 13,973,714.51 = 5,479,665.57 : x
  2. Step 2: Convert to fraction form
    10,125,880.39/13,973,714.51 = 5,479,665.57/x
  3. Step 3: Cross multiply
    10,125,880.39x = 13,973,714.51 × 5,479,665.57
  4. Step 4: Simplify right side
    10,125,880.39x = 76,571,282,285,456.42
  5. Step 5: Solve for x
    x = 76,571,282,285,456.42/10,125,880.39
  6. Step 6: Final answer
    x = 7,561,938.25

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1.5x scale

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.