Home / 12,477,929.24-17,216,591.31-7,247,829.74

Finding the Fourth Proportional to 12,477,929.24, 17,216,591.31 and 7,247,829.74

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Solution

The fourth proportional to 12,477,929.24, 17,216,591.31 and 7,247,829.74 is: 10,000,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,929.24 : 17,216,591.31 = 7,247,829.74 : x
  2. Step 2: Convert to fraction form
    12,477,929.24/17,216,591.31 = 7,247,829.74/x
  3. Step 3: Cross multiply
    12,477,929.24x = 17,216,591.31 × 7,247,829.74
  4. Step 4: Simplify right side
    12,477,929.24x = 124,782,922,518,043.55
  5. Step 5: Solve for x
    x = 124,782,922,518,043.55/12,477,929.24
  6. Step 6: Final answer
    x = 10,000,290.92

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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.