Home / 21,353,372-29,466,463.20-12,062,848.16

Finding the Fourth Proportional to 21,353,372, 29,466,463.20 and 12,062,848.16

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Solution

The fourth proportional to 21,353,372, 29,466,463.20 and 12,062,848.16 is: 16,646,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,372 : 29,466,463.20 = 12,062,848.16 : x
  2. Step 2: Convert to fraction form
    21,353,372/29,466,463.20 = 12,062,848.16/x
  3. Step 3: Cross multiply
    21,353,372x = 29,466,463.20 × 12,062,848.16
  4. Step 4: Simplify right side
    21,353,372x = 355,449,471,393,827.69
  5. Step 5: Solve for x
    x = 355,449,471,393,827.69/21,353,372
  6. Step 6: Final answer
    x = 16,646,058.12

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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.