Home / 21,021,854.40-31,532,781.60-5,669,114.40

Finding the Fourth Proportional to 21,021,854.40, 31,532,781.60 and 5,669,114.40

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Solution

The fourth proportional to 21,021,854.40, 31,532,781.60 and 5,669,114.40 is: 8,503,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,854.40 : 31,532,781.60 = 5,669,114.40 : x
  2. Step 2: Convert to fraction form
    21,021,854.40/31,532,781.60 = 5,669,114.40/x
  3. Step 3: Cross multiply
    21,021,854.40x = 31,532,781.60 × 5,669,114.40
  4. Step 4: Simplify right side
    21,021,854.40x = 178,762,946,240,615.06
  5. Step 5: Solve for x
    x = 178,762,946,240,615.06/21,021,854.40
  6. Step 6: Final answer
    x = 8,503,671.60

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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.