Home / 9,290,529.76-12,820,931.06-5,216,236.24

Finding the Fourth Proportional to 9,290,529.76, 12,820,931.06 and 5,216,236.24

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Solution

The fourth proportional to 9,290,529.76, 12,820,931.06 and 5,216,236.24 is: 7,198,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,529.76 : 12,820,931.06 = 5,216,236.24 : x
  2. Step 2: Convert to fraction form
    9,290,529.76/12,820,931.06 = 5,216,236.24/x
  3. Step 3: Cross multiply
    9,290,529.76x = 12,820,931.06 × 5,216,236.24
  4. Step 4: Simplify right side
    9,290,529.76x = 66,877,005,225,713.62
  5. Step 5: Solve for x
    x = 66,877,005,225,713.62/9,290,529.76
  6. Step 6: Final answer
    x = 7,198,406.01

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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.