Home / 21,781,812.60-32,672,718.90-5,825,460.60

Finding the Fourth Proportional to 21,781,812.60, 32,672,718.90 and 5,825,460.60

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Solution

The fourth proportional to 21,781,812.60, 32,672,718.90 and 5,825,460.60 is: 8,738,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,812.60 : 32,672,718.90 = 5,825,460.60 : x
  2. Step 2: Convert to fraction form
    21,781,812.60/32,672,718.90 = 5,825,460.60/x
  3. Step 3: Cross multiply
    21,781,812.60x = 32,672,718.90 × 5,825,460.60
  4. Step 4: Simplify right side
    21,781,812.60x = 190,333,636,646,825.31
  5. Step 5: Solve for x
    x = 190,333,636,646,825.31/21,781,812.60
  6. Step 6: Final answer
    x = 8,738,190.90

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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.