Home / 21,122,382.40-31,627,586.40-16,643,406.40

Finding the Fourth Proportional to 21,122,382.40, 31,627,586.40 and 16,643,406.40

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Solution

The fourth proportional to 21,122,382.40, 31,627,586.40 and 16,643,406.40 is: 24,920,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,382.40 : 31,627,586.40 = 16,643,406.40 : x
  2. Step 2: Convert to fraction form
    21,122,382.40/31,627,586.40 = 16,643,406.40/x
  3. Step 3: Cross multiply
    21,122,382.40x = 31,627,586.40 × 16,643,406.40
  4. Step 4: Simplify right side
    21,122,382.40x = 526,390,773,906,312.94
  5. Step 5: Solve for x
    x = 526,390,773,906,312.94/21,122,382.40
  6. Step 6: Final answer
    x = 24,920,994.42

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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.