Home / 21,934,474.25-30,271,278.69-12,145,829.18

Finding the Fourth Proportional to 21,934,474.25, 30,271,278.69 and 12,145,829.18

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Solution

The fourth proportional to 21,934,474.25, 30,271,278.69 and 12,145,829.18 is: 16,762,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,474.25 : 30,271,278.69 = 12,145,829.18 : x
  2. Step 2: Convert to fraction form
    21,934,474.25/30,271,278.69 = 12,145,829.18/x
  3. Step 3: Cross multiply
    21,934,474.25x = 30,271,278.69 × 12,145,829.18
  4. Step 4: Simplify right side
    21,934,474.25x = 367,669,779,877,557.81
  5. Step 5: Solve for x
    x = 367,669,779,877,557.81/21,934,474.25
  6. Step 6: Final answer
    x = 16,762,187.95

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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.