Home / 14,014,747.90-21,022,121.85-13,731,312.70

Finding the Fourth Proportional to 14,014,747.90, 21,022,121.85 and 13,731,312.70

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Solution

The fourth proportional to 14,014,747.90, 21,022,121.85 and 13,731,312.70 is: 20,596,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,747.90 : 21,022,121.85 = 13,731,312.70 : x
  2. Step 2: Convert to fraction form
    14,014,747.90/21,022,121.85 = 13,731,312.70/x
  3. Step 3: Cross multiply
    14,014,747.90x = 21,022,121.85 × 13,731,312.70
  4. Step 4: Simplify right side
    14,014,747.90x = 288,661,328,739,852.50
  5. Step 5: Solve for x
    x = 288,661,328,739,852.50/14,014,747.90
  6. Step 6: Final answer
    x = 20,596,969.05

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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.