Home / 21,756,875.20-32,631,763.48-6,400,572.21

Finding the Fourth Proportional to 21,756,875.20, 32,631,763.48 and 6,400,572.21

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Solution

The fourth proportional to 21,756,875.20, 32,631,763.48 and 6,400,572.21 is: 9,599,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756,875.20 : 32,631,763.48 = 6,400,572.21 : x
  2. Step 2: Convert to fraction form
    21,756,875.20/32,631,763.48 = 6,400,572.21/x
  3. Step 3: Cross multiply
    21,756,875.20x = 32,631,763.48 × 6,400,572.21
  4. Step 4: Simplify right side
    21,756,875.20x = 208,861,958,477,379.47
  5. Step 5: Solve for x
    x = 208,861,958,477,379.47/21,756,875.20
  6. Step 6: Final answer
    x = 9,599,814.15

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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.