Home / 28,115,913.84-38,803,554.44-15,726,695.76

Finding the Fourth Proportional to 28,115,913.84, 38,803,554.44 and 15,726,695.76

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Solution

The fourth proportional to 28,115,913.84, 38,803,554.44 and 15,726,695.76 is: 21,704,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,913.84 : 38,803,554.44 = 15,726,695.76 : x
  2. Step 2: Convert to fraction form
    28,115,913.84/38,803,554.44 = 15,726,695.76/x
  3. Step 3: Cross multiply
    28,115,913.84x = 38,803,554.44 × 15,726,695.76
  4. Step 4: Simplify right side
    28,115,913.84x = 610,251,695,084,477.12
  5. Step 5: Solve for x
    x = 610,251,695,084,477.12/28,115,913.84
  6. Step 6: Final answer
    x = 21,704,850.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.