Home / 7,875,232.80-11,818,378.80-3,390,727.20

Finding the Fourth Proportional to 7,875,232.80, 11,818,378.80 and 3,390,727.20

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Solution

The fourth proportional to 7,875,232.80, 11,818,378.80 and 3,390,727.20 is: 5,088,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,232.80 : 11,818,378.80 = 3,390,727.20 : x
  2. Step 2: Convert to fraction form
    7,875,232.80/11,818,378.80 = 3,390,727.20/x
  3. Step 3: Cross multiply
    7,875,232.80x = 11,818,378.80 × 3,390,727.20
  4. Step 4: Simplify right side
    7,875,232.80x = 40,072,898,457,063.37
  5. Step 5: Solve for x
    x = 40,072,898,457,063.37/7,875,232.80
  6. Step 6: Final answer
    x = 5,088,471.60

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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.