Home / 18,708,905.36-25,804,062.83-16,099,807.07

Finding the Fourth Proportional to 18,708,905.36, 25,804,062.83 and 16,099,807.07

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Solution

The fourth proportional to 18,708,905.36, 25,804,062.83 and 16,099,807.07 is: 22,205,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,905.36 : 25,804,062.83 = 16,099,807.07 : x
  2. Step 2: Convert to fraction form
    18,708,905.36/25,804,062.83 = 16,099,807.07/x
  3. Step 3: Cross multiply
    18,708,905.36x = 25,804,062.83 × 16,099,807.07
  4. Step 4: Simplify right side
    18,708,905.36x = 415,440,432,975,638.81
  5. Step 5: Solve for x
    x = 415,440,432,975,638.81/18,708,905.36
  6. Step 6: Final answer
    x = 22,205,491.19

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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.