Home / 30,970,848-46,456,116.42-7,941,679.68

Finding the Fourth Proportional to 30,970,848, 46,456,116.42 and 7,941,679.68

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Solution

The fourth proportional to 30,970,848, 46,456,116.42 and 7,941,679.68 is: 11,912,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,848 : 46,456,116.42 = 7,941,679.68 : x
  2. Step 2: Convert to fraction form
    30,970,848/46,456,116.42 = 7,941,679.68/x
  3. Step 3: Cross multiply
    30,970,848x = 46,456,116.42 × 7,941,679.68
  4. Step 4: Simplify right side
    30,970,848x = 368,939,595,784,428.38
  5. Step 5: Solve for x
    x = 368,939,595,784,428.38/30,970,848
  6. Step 6: Final answer
    x = 11,912,479.63

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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.