Home / 21,563,373.20-32,345,059.80-19,799,776.40

Finding the Fourth Proportional to 21,563,373.20, 32,345,059.80 and 19,799,776.40

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Solution

The fourth proportional to 21,563,373.20, 32,345,059.80 and 19,799,776.40 is: 29,699,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,373.20 : 32,345,059.80 = 19,799,776.40 : x
  2. Step 2: Convert to fraction form
    21,563,373.20/32,345,059.80 = 19,799,776.40/x
  3. Step 3: Cross multiply
    21,563,373.20x = 32,345,059.80 × 19,799,776.40
  4. Step 4: Simplify right side
    21,563,373.20x = 640,424,951,684,628.62
  5. Step 5: Solve for x
    x = 640,424,951,684,628.62/21,563,373.20
  6. Step 6: Final answer
    x = 29,699,664.60

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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.