Home / 20,468,561.02-28,243,280.07-12,094,765.57

Finding the Fourth Proportional to 20,468,561.02, 28,243,280.07 and 12,094,765.57

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Solution

The fourth proportional to 20,468,561.02, 28,243,280.07 and 12,094,765.57 is: 16,688,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,561.02 : 28,243,280.07 = 12,094,765.57 : x
  2. Step 2: Convert to fraction form
    20,468,561.02/28,243,280.07 = 12,094,765.57/x
  3. Step 3: Cross multiply
    20,468,561.02x = 28,243,280.07 × 12,094,765.57
  4. Step 4: Simplify right side
    20,468,561.02x = 341,595,851,374,503.19
  5. Step 5: Solve for x
    x = 341,595,851,374,503.19/20,468,561.02
  6. Step 6: Final answer
    x = 16,688,806.36

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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.