Home / 12,708,626.61-17,538,011.15-6,907,406.81

Finding the Fourth Proportional to 12,708,626.61, 17,538,011.15 and 6,907,406.81

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Solution

The fourth proportional to 12,708,626.61, 17,538,011.15 and 6,907,406.81 is: 9,532,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708,626.61 : 17,538,011.15 = 6,907,406.81 : x
  2. Step 2: Convert to fraction form
    12,708,626.61/17,538,011.15 = 6,907,406.81/x
  3. Step 3: Cross multiply
    12,708,626.61x = 17,538,011.15 × 6,907,406.81
  4. Step 4: Simplify right side
    12,708,626.61x = 121,142,177,529,138.83
  5. Step 5: Solve for x
    x = 121,142,177,529,138.83/12,708,626.61
  6. Step 6: Final answer
    x = 9,532,279.23

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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.