Home / 20,261,095.38-28,007,434.43-18,077,599.46

Finding the Fourth Proportional to 20,261,095.38, 28,007,434.43 and 18,077,599.46

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Solution

The fourth proportional to 20,261,095.38, 28,007,434.43 and 18,077,599.46 is: 24,989,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,095.38 : 28,007,434.43 = 18,077,599.46 : x
  2. Step 2: Convert to fraction form
    20,261,095.38/28,007,434.43 = 18,077,599.46/x
  3. Step 3: Cross multiply
    20,261,095.38x = 28,007,434.43 × 18,077,599.46
  4. Step 4: Simplify right side
    20,261,095.38x = 506,307,181,297,328.19
  5. Step 5: Solve for x
    x = 506,307,181,297,328.19/20,261,095.38
  6. Step 6: Final answer
    x = 24,989,131.72

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1.5x scale

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.