Home / 8,072,307.05-11,139,870.80-4,401,193.79

Finding the Fourth Proportional to 8,072,307.05, 11,139,870.80 and 4,401,193.79

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Solution

The fourth proportional to 8,072,307.05, 11,139,870.80 and 4,401,193.79 is: 6,073,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,307.05 : 11,139,870.80 = 4,401,193.79 : x
  2. Step 2: Convert to fraction form
    8,072,307.05/11,139,870.80 = 4,401,193.79/x
  3. Step 3: Cross multiply
    8,072,307.05x = 11,139,870.80 × 4,401,193.79
  4. Step 4: Simplify right side
    8,072,307.05x = 49,028,730,225,215
  5. Step 5: Solve for x
    x = 49,028,730,225,215/8,072,307.05
  6. Step 6: Final answer
    x = 6,073,694.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.