Home / 37,493,689.52-56,185,511.46-21,130,828.76

Finding the Fourth Proportional to 37,493,689.52, 56,185,511.46 and 21,130,828.76

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Solution

The fourth proportional to 37,493,689.52, 56,185,511.46 and 21,130,828.76 is: 31,665,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,493,689.52 : 56,185,511.46 = 21,130,828.76 : x
  2. Step 2: Convert to fraction form
    37,493,689.52/56,185,511.46 = 21,130,828.76/x
  3. Step 3: Cross multiply
    37,493,689.52x = 56,185,511.46 × 21,130,828.76
  4. Step 4: Simplify right side
    37,493,689.52x = 1,187,246,421,454,277.75
  5. Step 5: Solve for x
    x = 1,187,246,421,454,277.75/37,493,689.52
  6. Step 6: Final answer
    x = 31,665,233.18

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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.