Home / 21,783,320.10-32,674,980.15-20,791,296.90

Finding the Fourth Proportional to 21,783,320.10, 32,674,980.15 and 20,791,296.90

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Solution

The fourth proportional to 21,783,320.10, 32,674,980.15 and 20,791,296.90 is: 31,186,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,320.10 : 32,674,980.15 = 20,791,296.90 : x
  2. Step 2: Convert to fraction form
    21,783,320.10/32,674,980.15 = 20,791,296.90/x
  3. Step 3: Cross multiply
    21,783,320.10x = 32,674,980.15 × 20,791,296.90
  4. Step 4: Simplify right side
    21,783,320.10x = 679,355,213,500,256.50
  5. Step 5: Solve for x
    x = 679,355,213,500,256.50/21,783,320.10
  6. Step 6: Final answer
    x = 31,186,945.35

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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.