Home / 30,434,583.27-41,995,239.66-18,507,312.21

Finding the Fourth Proportional to 30,434,583.27, 41,995,239.66 and 18,507,312.21

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Solution

The fourth proportional to 30,434,583.27, 41,995,239.66 and 18,507,312.21 is: 25,537,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434,583.27 : 41,995,239.66 = 18,507,312.21 : x
  2. Step 2: Convert to fraction form
    30,434,583.27/41,995,239.66 = 18,507,312.21/x
  3. Step 3: Cross multiply
    30,434,583.27x = 41,995,239.66 × 18,507,312.21
  4. Step 4: Simplify right side
    30,434,583.27x = 777,219,011,721,394.25
  5. Step 5: Solve for x
    x = 777,219,011,721,394.25/30,434,583.27
  6. Step 6: Final answer
    x = 25,537,363.36

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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.