Home / 21,669,341.60-32,515,187.45-10,155,978.54

Finding the Fourth Proportional to 21,669,341.60, 32,515,187.45 and 10,155,978.54

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Solution

The fourth proportional to 21,669,341.60, 32,515,187.45 and 10,155,978.54 is: 15,239,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,341.60 : 32,515,187.45 = 10,155,978.54 : x
  2. Step 2: Convert to fraction form
    21,669,341.60/32,515,187.45 = 10,155,978.54/x
  3. Step 3: Cross multiply
    21,669,341.60x = 32,515,187.45 × 10,155,978.54
  4. Step 4: Simplify right side
    21,669,341.60x = 330,223,545,915,497.38
  5. Step 5: Solve for x
    x = 330,223,545,915,497.38/21,669,341.60
  6. Step 6: Final answer
    x = 15,239,205.32

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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.