Home / 13,366,613.94-18,445,433.31-7,254,911.22

Finding the Fourth Proportional to 13,366,613.94, 18,445,433.31 and 7,254,911.22

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Solution

The fourth proportional to 13,366,613.94, 18,445,433.31 and 7,254,911.22 is: 10,011,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,613.94 : 18,445,433.31 = 7,254,911.22 : x
  2. Step 2: Convert to fraction form
    13,366,613.94/18,445,433.31 = 7,254,911.22/x
  3. Step 3: Cross multiply
    13,366,613.94x = 18,445,433.31 × 7,254,911.22
  4. Step 4: Simplify right side
    13,366,613.94x = 133,819,981,078,480.72
  5. Step 5: Solve for x
    x = 133,819,981,078,480.72/13,366,613.94
  6. Step 6: Final answer
    x = 10,011,509.40

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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.