Home / 6,910,047.20-10,365,070.80-6,112,885.70

Finding the Fourth Proportional to 6,910,047.20, 10,365,070.80 and 6,112,885.70

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Solution

The fourth proportional to 6,910,047.20, 10,365,070.80 and 6,112,885.70 is: 9,169,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910,047.20 : 10,365,070.80 = 6,112,885.70 : x
  2. Step 2: Convert to fraction form
    6,910,047.20/10,365,070.80 = 6,112,885.70/x
  3. Step 3: Cross multiply
    6,910,047.20x = 10,365,070.80 × 6,112,885.70
  4. Step 4: Simplify right side
    6,910,047.20x = 63,360,493,072,807.57
  5. Step 5: Solve for x
    x = 63,360,493,072,807.57/6,910,047.20
  6. Step 6: Final answer
    x = 9,169,328.55

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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.