Home / 21,557,800.70-32,336,701.05-13,905,050.30

Finding the Fourth Proportional to 21,557,800.70, 32,336,701.05 and 13,905,050.30

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Solution

The fourth proportional to 21,557,800.70, 32,336,701.05 and 13,905,050.30 is: 20,857,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,800.70 : 32,336,701.05 = 13,905,050.30 : x
  2. Step 2: Convert to fraction form
    21,557,800.70/32,336,701.05 = 13,905,050.30/x
  3. Step 3: Cross multiply
    21,557,800.70x = 32,336,701.05 × 13,905,050.30
  4. Step 4: Simplify right side
    21,557,800.70x = 449,643,454,636,312.88
  5. Step 5: Solve for x
    x = 449,643,454,636,312.88/21,557,800.70
  6. Step 6: Final answer
    x = 20,857,575.45

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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.