Home / 14,014,901.10-21,022,351.65-13,920,422.70

Finding the Fourth Proportional to 14,014,901.10, 21,022,351.65 and 13,920,422.70

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Solution

The fourth proportional to 14,014,901.10, 21,022,351.65 and 13,920,422.70 is: 20,880,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,901.10 : 21,022,351.65 = 13,920,422.70 : x
  2. Step 2: Convert to fraction form
    14,014,901.10/21,022,351.65 = 13,920,422.70/x
  3. Step 3: Cross multiply
    14,014,901.10x = 21,022,351.65 × 13,920,422.70
  4. Step 4: Simplify right side
    14,014,901.10x = 292,640,021,116,042.44
  5. Step 5: Solve for x
    x = 292,640,021,116,042.44/14,014,901.10
  6. Step 6: Final answer
    x = 20,880,634.05

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1.5x scale

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.