Home / 6,712,937.60-10,069,406.40-1,920,912.80

Finding the Fourth Proportional to 6,712,937.60, 10,069,406.40 and 1,920,912.80

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Solution

The fourth proportional to 6,712,937.60, 10,069,406.40 and 1,920,912.80 is: 2,881,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712,937.60 : 10,069,406.40 = 1,920,912.80 : x
  2. Step 2: Convert to fraction form
    6,712,937.60/10,069,406.40 = 1,920,912.80/x
  3. Step 3: Cross multiply
    6,712,937.60x = 10,069,406.40 × 1,920,912.80
  4. Step 4: Simplify right side
    6,712,937.60x = 19,342,451,642,161.92
  5. Step 5: Solve for x
    x = 19,342,451,642,161.92/6,712,937.60
  6. Step 6: Final answer
    x = 2,881,369.20

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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.