Home / 21,869,999.40-32,804,999.10-15,487,458.60

Finding the Fourth Proportional to 21,869,999.40, 32,804,999.10 and 15,487,458.60

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Solution

The fourth proportional to 21,869,999.40, 32,804,999.10 and 15,487,458.60 is: 23,231,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869,999.40 : 32,804,999.10 = 15,487,458.60 : x
  2. Step 2: Convert to fraction form
    21,869,999.40/32,804,999.10 = 15,487,458.60/x
  3. Step 3: Cross multiply
    21,869,999.40x = 32,804,999.10 × 15,487,458.60
  4. Step 4: Simplify right side
    21,869,999.40x = 508,066,065,434,287.25
  5. Step 5: Solve for x
    x = 508,066,065,434,287.25/21,869,999.40
  6. Step 6: Final answer
    x = 23,231,187.90

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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.