Home / 12,215,247.45-16,853,261.52-7,056,726.81

Finding the Fourth Proportional to 12,215,247.45, 16,853,261.52 and 7,056,726.81

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Solution

The fourth proportional to 12,215,247.45, 16,853,261.52 and 7,056,726.81 is: 9,736,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,247.45 : 16,853,261.52 = 7,056,726.81 : x
  2. Step 2: Convert to fraction form
    12,215,247.45/16,853,261.52 = 7,056,726.81/x
  3. Step 3: Cross multiply
    12,215,247.45x = 16,853,261.52 × 7,056,726.81
  4. Step 4: Simplify right side
    12,215,247.45x = 118,928,862,404,125.34
  5. Step 5: Solve for x
    x = 118,928,862,404,125.34/12,215,247.45
  6. Step 6: Final answer
    x = 9,736,099.32

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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.