Home / 12,881,121.40-19,324,014.90-6,475,252.60

Finding the Fourth Proportional to 12,881,121.40, 19,324,014.90 and 6,475,252.60

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Solution

The fourth proportional to 12,881,121.40, 19,324,014.90 and 6,475,252.60 is: 9,714,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,121.40 : 19,324,014.90 = 6,475,252.60 : x
  2. Step 2: Convert to fraction form
    12,881,121.40/19,324,014.90 = 6,475,252.60/x
  3. Step 3: Cross multiply
    12,881,121.40x = 19,324,014.90 × 6,475,252.60
  4. Step 4: Simplify right side
    12,881,121.40x = 125,127,877,723,663.72
  5. Step 5: Solve for x
    x = 125,127,877,723,663.72/12,881,121.40
  6. Step 6: Final answer
    x = 9,714,051.58

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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.