Home / 28,717,531.77-39,630,446.77-15,664,848.73

Finding the Fourth Proportional to 28,717,531.77, 39,630,446.77 and 15,664,848.73

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Solution

The fourth proportional to 28,717,531.77, 39,630,446.77 and 15,664,848.73 is: 21,617,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717,531.77 : 39,630,446.77 = 15,664,848.73 : x
  2. Step 2: Convert to fraction form
    28,717,531.77/39,630,446.77 = 15,664,848.73/x
  3. Step 3: Cross multiply
    28,717,531.77x = 39,630,446.77 × 15,664,848.73
  4. Step 4: Simplify right side
    28,717,531.77x = 620,804,953,824,356.50
  5. Step 5: Solve for x
    x = 620,804,953,824,356.50/28,717,531.77
  6. Step 6: Final answer
    x = 21,617,629.22

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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.