Home / 21,501,169.61-32,089,315.63-20,043,296.98

Finding the Fourth Proportional to 21,501,169.61, 32,089,315.63 and 20,043,296.98

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Solution

The fourth proportional to 21,501,169.61, 32,089,315.63 and 20,043,296.98 is: 29,913,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501,169.61 : 32,089,315.63 = 20,043,296.98 : x
  2. Step 2: Convert to fraction form
    21,501,169.61/32,089,315.63 = 20,043,296.98/x
  3. Step 3: Cross multiply
    21,501,169.61x = 32,089,315.63 × 20,043,296.98
  4. Step 4: Simplify right side
    21,501,169.61x = 643,175,682,956,829.38
  5. Step 5: Solve for x
    x = 643,175,682,956,829.38/21,501,169.61
  6. Step 6: Final answer
    x = 29,913,520.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.