Home / 14,520,029.20-21,780,043.80-9,443,856.40

Finding the Fourth Proportional to 14,520,029.20, 21,780,043.80 and 9,443,856.40

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Solution

The fourth proportional to 14,520,029.20, 21,780,043.80 and 9,443,856.40 is: 14,165,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,029.20 : 21,780,043.80 = 9,443,856.40 : x
  2. Step 2: Convert to fraction form
    14,520,029.20/21,780,043.80 = 9,443,856.40/x
  3. Step 3: Cross multiply
    14,520,029.20x = 21,780,043.80 × 9,443,856.40
  4. Step 4: Simplify right side
    14,520,029.20x = 205,687,606,032,910.34
  5. Step 5: Solve for x
    x = 205,687,606,032,910.34/14,520,029.20
  6. Step 6: Final answer
    x = 14,165,784.60

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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.