Home / 15,819,985.75-21,832,428-8,850,247.53

Finding the Fourth Proportional to 15,819,985.75, 21,832,428 and 8,850,247.53

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Solution

The fourth proportional to 15,819,985.75, 21,832,428 and 8,850,247.53 is: 12,213,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,985.75 : 21,832,428 = 8,850,247.53 : x
  2. Step 2: Convert to fraction form
    15,819,985.75/21,832,428 = 8,850,247.53/x
  3. Step 3: Cross multiply
    15,819,985.75x = 21,832,428 × 8,850,247.53
  4. Step 4: Simplify right side
    15,819,985.75x = 193,222,391,980,902.81
  5. Step 5: Solve for x
    x = 193,222,391,980,902.81/15,819,985.75
  6. Step 6: Final answer
    x = 12,213,815.80

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