Home / 13,262,838.89-19,893,118.59-8,074,101.60

Finding the Fourth Proportional to 13,262,838.89, 19,893,118.59 and 8,074,101.60

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Solution

The fourth proportional to 13,262,838.89, 19,893,118.59 and 8,074,101.60 is: 12,110,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,838.89 : 19,893,118.59 = 8,074,101.60 : x
  2. Step 2: Convert to fraction form
    13,262,838.89/19,893,118.59 = 8,074,101.60/x
  3. Step 3: Cross multiply
    13,262,838.89x = 19,893,118.59 × 8,074,101.60
  4. Step 4: Simplify right side
    13,262,838.89x = 160,619,060,636,508.75
  5. Step 5: Solve for x
    x = 160,619,060,636,508.75/13,262,838.89
  6. Step 6: Final answer
    x = 12,110,458.55

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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.