Home / 6,912,001.60-10,368,002.40-3,888,692.80

Finding the Fourth Proportional to 6,912,001.60, 10,368,002.40 and 3,888,692.80

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Solution

The fourth proportional to 6,912,001.60, 10,368,002.40 and 3,888,692.80 is: 5,833,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,001.60 : 10,368,002.40 = 3,888,692.80 : x
  2. Step 2: Convert to fraction form
    6,912,001.60/10,368,002.40 = 3,888,692.80/x
  3. Step 3: Cross multiply
    6,912,001.60x = 10,368,002.40 × 3,888,692.80
  4. Step 4: Simplify right side
    6,912,001.60x = 40,317,976,283,262.72
  5. Step 5: Solve for x
    x = 40,317,976,283,262.72/6,912,001.60
  6. Step 6: Final answer
    x = 5,833,039.20

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1.5x scale

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.