Home / 20,970,014.49-31,440,398.12-9,292,034.46

Finding the Fourth Proportional to 20,970,014.49, 31,440,398.12 and 9,292,034.46

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Solution

The fourth proportional to 20,970,014.49, 31,440,398.12 and 9,292,034.46 is: 13,931,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,014.49 : 31,440,398.12 = 9,292,034.46 : x
  2. Step 2: Convert to fraction form
    20,970,014.49/31,440,398.12 = 9,292,034.46/x
  3. Step 3: Cross multiply
    20,970,014.49x = 31,440,398.12 × 9,292,034.46
  4. Step 4: Simplify right side
    20,970,014.49x = 292,145,262,767,159.25
  5. Step 5: Solve for x
    x = 292,145,262,767,159.25/20,970,014.49
  6. Step 6: Final answer
    x = 13,931,571.81

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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.