Home / 19,953,012.20-29,941,328.10-13,149,255.20

Finding the Fourth Proportional to 19,953,012.20, 29,941,328.10 and 13,149,255.20

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Solution

The fourth proportional to 19,953,012.20, 29,941,328.10 and 13,149,255.20 is: 19,731,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953,012.20 : 29,941,328.10 = 13,149,255.20 : x
  2. Step 2: Convert to fraction form
    19,953,012.20/29,941,328.10 = 13,149,255.20/x
  3. Step 3: Cross multiply
    19,953,012.20x = 29,941,328.10 × 13,149,255.20
  4. Step 4: Simplify right side
    19,953,012.20x = 393,706,164,213,831.12
  5. Step 5: Solve for x
    x = 393,706,164,213,831.12/19,953,012.20
  6. Step 6: Final answer
    x = 19,731,665.59

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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.