Home / 32,628,102.72-45,014,038.56-18,682,005.12

Finding the Fourth Proportional to 32,628,102.72, 45,014,038.56 and 18,682,005.12

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Solution

The fourth proportional to 32,628,102.72, 45,014,038.56 and 18,682,005.12 is: 25,773,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628,102.72 : 45,014,038.56 = 18,682,005.12 : x
  2. Step 2: Convert to fraction form
    32,628,102.72/45,014,038.56 = 18,682,005.12/x
  3. Step 3: Cross multiply
    32,628,102.72x = 45,014,038.56 × 18,682,005.12
  4. Step 4: Simplify right side
    32,628,102.72x = 840,952,498,849,797.50
  5. Step 5: Solve for x
    x = 840,952,498,849,797.50/32,628,102.72
  6. Step 6: Final answer
    x = 25,773,870.64

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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.