Home / 11,916,601.20-16,442,733.60-7,785,533.16

Finding the Fourth Proportional to 11,916,601.20, 16,442,733.60 and 7,785,533.16

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Solution

The fourth proportional to 11,916,601.20, 16,442,733.60 and 7,785,533.16 is: 10,742,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916,601.20 : 16,442,733.60 = 7,785,533.16 : x
  2. Step 2: Convert to fraction form
    11,916,601.20/16,442,733.60 = 7,785,533.16/x
  3. Step 3: Cross multiply
    11,916,601.20x = 16,442,733.60 × 7,785,533.16
  4. Step 4: Simplify right side
    11,916,601.20x = 128,015,447,683,846.17
  5. Step 5: Solve for x
    x = 128,015,447,683,846.17/11,916,601.20
  6. Step 6: Final answer
    x = 10,742,614.07

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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.