Home / 21,552,041.60-32,328,062.40-20,796,214.40

Finding the Fourth Proportional to 21,552,041.60, 32,328,062.40 and 20,796,214.40

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Solution

The fourth proportional to 21,552,041.60, 32,328,062.40 and 20,796,214.40 is: 31,194,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,041.60 : 32,328,062.40 = 20,796,214.40 : x
  2. Step 2: Convert to fraction form
    21,552,041.60/32,328,062.40 = 20,796,214.40/x
  3. Step 3: Cross multiply
    21,552,041.60x = 32,328,062.40 × 20,796,214.40
  4. Step 4: Simplify right side
    21,552,041.60x = 672,301,316,806,978.50
  5. Step 5: Solve for x
    x = 672,301,316,806,978.50/21,552,041.60
  6. Step 6: Final answer
    x = 31,194,321.60

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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.