Home / 12,838,501.23-17,687,355.18-8,964,886.83

Finding the Fourth Proportional to 12,838,501.23, 17,687,355.18 and 8,964,886.83

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Solution

The fourth proportional to 12,838,501.23, 17,687,355.18 and 8,964,886.83 is: 12,350,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,501.23 : 17,687,355.18 = 8,964,886.83 : x
  2. Step 2: Convert to fraction form
    12,838,501.23/17,687,355.18 = 8,964,886.83/x
  3. Step 3: Cross multiply
    12,838,501.23x = 17,687,355.18 × 8,964,886.83
  4. Step 4: Simplify right side
    12,838,501.23x = 158,565,137,510,714.28
  5. Step 5: Solve for x
    x = 158,565,137,510,714.28/12,838,501.23
  6. Step 6: Final answer
    x = 12,350,751.44

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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.