Home / 20,998,466.40-31,497,699.60-14,196,021.60

Finding the Fourth Proportional to 20,998,466.40, 31,497,699.60 and 14,196,021.60

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Solution

The fourth proportional to 20,998,466.40, 31,497,699.60 and 14,196,021.60 is: 21,294,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998,466.40 : 31,497,699.60 = 14,196,021.60 : x
  2. Step 2: Convert to fraction form
    20,998,466.40/31,497,699.60 = 14,196,021.60/x
  3. Step 3: Cross multiply
    20,998,466.40x = 31,497,699.60 × 14,196,021.60
  4. Step 4: Simplify right side
    20,998,466.40x = 447,142,023,871,911.38
  5. Step 5: Solve for x
    x = 447,142,023,871,911.38/20,998,466.40
  6. Step 6: Final answer
    x = 21,294,032.40

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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.