Home / 21,453,014.20-29,605,275.90-12,632,848.60

Finding the Fourth Proportional to 21,453,014.20, 29,605,275.90 and 12,632,848.60

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Solution

The fourth proportional to 21,453,014.20, 29,605,275.90 and 12,632,848.60 is: 17,433,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,014.20 : 29,605,275.90 = 12,632,848.60 : x
  2. Step 2: Convert to fraction form
    21,453,014.20/29,605,275.90 = 12,632,848.60/x
  3. Step 3: Cross multiply
    21,453,014.20x = 29,605,275.90 × 12,632,848.60
  4. Step 4: Simplify right side
    21,453,014.20x = 373,998,968,205,928.69
  5. Step 5: Solve for x
    x = 373,998,968,205,928.69/21,453,014.20
  6. Step 6: Final answer
    x = 17,433,399.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.