Home / 10,258,031.34-15,387,066.09-4,192,758.63

Finding the Fourth Proportional to 10,258,031.34, 15,387,066.09 and 4,192,758.63

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Solution

The fourth proportional to 10,258,031.34, 15,387,066.09 and 4,192,758.63 is: 6,289,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,031.34 : 15,387,066.09 = 4,192,758.63 : x
  2. Step 2: Convert to fraction form
    10,258,031.34/15,387,066.09 = 4,192,758.63/x
  3. Step 3: Cross multiply
    10,258,031.34x = 15,387,066.09 × 4,192,758.63
  4. Step 4: Simplify right side
    10,258,031.34x = 64,514,254,139,227.85
  5. Step 5: Solve for x
    x = 64,514,254,139,227.85/10,258,031.34
  6. Step 6: Final answer
    x = 6,289,145.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.