Home / 20,954,646.99-31,431,979.08-9,426,649.02

Finding the Fourth Proportional to 20,954,646.99, 31,431,979.08 and 9,426,649.02

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Solution

The fourth proportional to 20,954,646.99, 31,431,979.08 and 9,426,649.02 is: 14,139,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,646.99 : 31,431,979.08 = 9,426,649.02 : x
  2. Step 2: Convert to fraction form
    20,954,646.99/31,431,979.08 = 9,426,649.02/x
  3. Step 3: Cross multiply
    20,954,646.99x = 31,431,979.08 × 9,426,649.02
  4. Step 4: Simplify right side
    20,954,646.99x = 296,298,234,791,142.50
  5. Step 5: Solve for x
    x = 296,298,234,791,142.50/20,954,646.99
  6. Step 6: Final answer
    x = 14,139,977.40

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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.