Home / 9,971,920.20-14,969,690.10-5,657,406.60

Finding the Fourth Proportional to 9,971,920.20, 14,969,690.10 and 5,657,406.60

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Solution

The fourth proportional to 9,971,920.20, 14,969,690.10 and 5,657,406.60 is: 8,492,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971,920.20 : 14,969,690.10 = 5,657,406.60 : x
  2. Step 2: Convert to fraction form
    9,971,920.20/14,969,690.10 = 5,657,406.60/x
  3. Step 3: Cross multiply
    9,971,920.20x = 14,969,690.10 × 5,657,406.60
  4. Step 4: Simplify right side
    9,971,920.20x = 84,689,623,571,694.66
  5. Step 5: Solve for x
    x = 84,689,623,571,694.66/9,971,920.20
  6. Step 6: Final answer
    x = 8,492,810.00

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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.