Home / 14,015,220.90-21,005,116.65-6,811,242.90

Finding the Fourth Proportional to 14,015,220.90, 21,005,116.65 and 6,811,242.90

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Solution

The fourth proportional to 14,015,220.90, 21,005,116.65 and 6,811,242.90 is: 10,208,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,220.90 : 21,005,116.65 = 6,811,242.90 : x
  2. Step 2: Convert to fraction form
    14,015,220.90/21,005,116.65 = 6,811,242.90/x
  3. Step 3: Cross multiply
    14,015,220.90x = 21,005,116.65 × 6,811,242.90
  4. Step 4: Simplify right side
    14,015,220.90x = 143,070,951,645,984.28
  5. Step 5: Solve for x
    x = 143,070,951,645,984.28/14,015,220.90
  6. Step 6: Final answer
    x = 10,208,255.20

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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.