Home / 11,445,031.76-15,794,323.01-6,218,143.47

Finding the Fourth Proportional to 11,445,031.76, 15,794,323.01 and 6,218,143.47

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Solution

The fourth proportional to 11,445,031.76, 15,794,323.01 and 6,218,143.47 is: 8,581,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445,031.76 : 15,794,323.01 = 6,218,143.47 : x
  2. Step 2: Convert to fraction form
    11,445,031.76/15,794,323.01 = 6,218,143.47/x
  3. Step 3: Cross multiply
    11,445,031.76x = 15,794,323.01 × 6,218,143.47
  4. Step 4: Simplify right side
    11,445,031.76x = 98,211,366,479,929.56
  5. Step 5: Solve for x
    x = 98,211,366,479,929.56/11,445,031.76
  6. Step 6: Final answer
    x = 8,581,135.34

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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.