Home / 18,819,623.15-28,210,014.40-7,896,156.17

Finding the Fourth Proportional to 18,819,623.15, 28,210,014.40 and 7,896,156.17

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Solution

The fourth proportional to 18,819,623.15, 28,210,014.40 and 7,896,156.17 is: 11,836,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,623.15 : 28,210,014.40 = 7,896,156.17 : x
  2. Step 2: Convert to fraction form
    18,819,623.15/28,210,014.40 = 7,896,156.17/x
  3. Step 3: Cross multiply
    18,819,623.15x = 28,210,014.40 × 7,896,156.17
  4. Step 4: Simplify right side
    18,819,623.15x = 222,750,679,099,558.41
  5. Step 5: Solve for x
    x = 222,750,679,099,558.41/18,819,623.15
  6. Step 6: Final answer
    x = 11,836,086.05

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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.