Home / 55,248,013.83-82,849,219.98-18,859,335.15

Finding the Fourth Proportional to 55,248,013.83, 82,849,219.98 and 18,859,335.15

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Solution

The fourth proportional to 55,248,013.83, 82,849,219.98 and 18,859,335.15 is: 28,281,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248,013.83 : 82,849,219.98 = 18,859,335.15 : x
  2. Step 2: Convert to fraction form
    55,248,013.83/82,849,219.98 = 18,859,335.15/x
  3. Step 3: Cross multiply
    55,248,013.83x = 82,849,219.98 × 18,859,335.15
  4. Step 4: Simplify right side
    55,248,013.83x = 1,562,481,206,518,896.25
  5. Step 5: Solve for x
    x = 1,562,481,206,518,896.25/55,248,013.83
  6. Step 6: Final answer
    x = 28,281,219.51

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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.