Home / 10,920,851.40-16,381,277.10-8,795,087.40

Finding the Fourth Proportional to 10,920,851.40, 16,381,277.10 and 8,795,087.40

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Solution

The fourth proportional to 10,920,851.40, 16,381,277.10 and 8,795,087.40 is: 13,192,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,851.40 : 16,381,277.10 = 8,795,087.40 : x
  2. Step 2: Convert to fraction form
    10,920,851.40/16,381,277.10 = 8,795,087.40/x
  3. Step 3: Cross multiply
    10,920,851.40x = 16,381,277.10 × 8,795,087.40
  4. Step 4: Simplify right side
    10,920,851.40x = 144,074,763,818,118.53
  5. Step 5: Solve for x
    x = 144,074,763,818,118.53/10,920,851.40
  6. Step 6: Final answer
    x = 13,192,631.10

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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.