Home / 21,911,911.60-32,804,881.80-13,408,855.60

Finding the Fourth Proportional to 21,911,911.60, 32,804,881.80 and 13,408,855.60

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Solution

The fourth proportional to 21,911,911.60, 32,804,881.80 and 13,408,855.60 is: 20,074,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,911.60 : 32,804,881.80 = 13,408,855.60 : x
  2. Step 2: Convert to fraction form
    21,911,911.60/32,804,881.80 = 13,408,855.60/x
  3. Step 3: Cross multiply
    21,911,911.60x = 32,804,881.80 × 13,408,855.60
  4. Step 4: Simplify right side
    21,911,911.60x = 439,875,923,031,268.06
  5. Step 5: Solve for x
    x = 439,875,923,031,268.06/21,911,911.60
  6. Step 6: Final answer
    x = 20,074,739.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.