Home / 20,896,455.20-31,344,682.80-14,094,010.40

Finding the Fourth Proportional to 20,896,455.20, 31,344,682.80 and 14,094,010.40

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Solution

The fourth proportional to 20,896,455.20, 31,344,682.80 and 14,094,010.40 is: 21,141,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,455.20 : 31,344,682.80 = 14,094,010.40 : x
  2. Step 2: Convert to fraction form
    20,896,455.20/31,344,682.80 = 14,094,010.40/x
  3. Step 3: Cross multiply
    20,896,455.20x = 31,344,682.80 × 14,094,010.40
  4. Step 4: Simplify right side
    20,896,455.20x = 441,772,285,367,901.12
  5. Step 5: Solve for x
    x = 441,772,285,367,901.12/20,896,455.20
  6. Step 6: Final answer
    x = 21,141,015.60

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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.