Home / 18,330,406.18-27,495,605.16-4,683,578.12

Finding the Fourth Proportional to 18,330,406.18, 27,495,605.16 and 4,683,578.12

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Solution

The fourth proportional to 18,330,406.18, 27,495,605.16 and 4,683,578.12 is: 7,025,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330,406.18 : 27,495,605.16 = 4,683,578.12 : x
  2. Step 2: Convert to fraction form
    18,330,406.18/27,495,605.16 = 4,683,578.12/x
  3. Step 3: Cross multiply
    18,330,406.18x = 27,495,605.16 × 4,683,578.12
  4. Step 4: Simplify right side
    18,330,406.18x = 128,777,814,723,535.11
  5. Step 5: Solve for x
    x = 128,777,814,723,535.11/18,330,406.18
  6. Step 6: Final answer
    x = 7,025,366.13

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1.5x scale

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.