Home / 12,935,737.11-19,405,543.63-4,179,089.76

Finding the Fourth Proportional to 12,935,737.11, 19,405,543.63 and 4,179,089.76

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Solution

The fourth proportional to 12,935,737.11, 19,405,543.63 and 4,179,089.76 is: 6,269,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,737.11 : 19,405,543.63 = 4,179,089.76 : x
  2. Step 2: Convert to fraction form
    12,935,737.11/19,405,543.63 = 4,179,089.76/x
  3. Step 3: Cross multiply
    12,935,737.11x = 19,405,543.63 × 4,179,089.76
  4. Step 4: Simplify right side
    12,935,737.11x = 81,097,508,671,366.22
  5. Step 5: Solve for x
    x = 81,097,508,671,366.22/12,935,737.11
  6. Step 6: Final answer
    x = 6,269,260.73

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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.