Home / 10,484,530.12-15,704,079.74-5,081,878.76

Finding the Fourth Proportional to 10,484,530.12, 15,704,079.74 and 5,081,878.76

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Solution

The fourth proportional to 10,484,530.12, 15,704,079.74 and 5,081,878.76 is: 7,611,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484,530.12 : 15,704,079.74 = 5,081,878.76 : x
  2. Step 2: Convert to fraction form
    10,484,530.12/15,704,079.74 = 5,081,878.76/x
  3. Step 3: Cross multiply
    10,484,530.12x = 15,704,079.74 × 5,081,878.76
  4. Step 4: Simplify right side
    10,484,530.12x = 79,806,229,276,052.31
  5. Step 5: Solve for x
    x = 79,806,229,276,052.31/10,484,530.12
  6. Step 6: Final answer
    x = 7,611,807.91

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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.