Home / 30,434,585.27-41,995,242.42-18,507,314.21

Finding the Fourth Proportional to 30,434,585.27, 41,995,242.42 and 18,507,314.21

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Solution

The fourth proportional to 30,434,585.27, 41,995,242.42 and 18,507,314.21 is: 25,537,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434,585.27 : 41,995,242.42 = 18,507,314.21 : x
  2. Step 2: Convert to fraction form
    30,434,585.27/41,995,242.42 = 18,507,314.21/x
  3. Step 3: Cross multiply
    30,434,585.27x = 41,995,242.42 × 18,507,314.21
  4. Step 4: Simplify right side
    30,434,585.27x = 777,219,146,792,060.88
  5. Step 5: Solve for x
    x = 777,219,146,792,060.88/30,434,585.27
  6. Step 6: Final answer
    x = 25,537,366.12

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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.