Home / 12,946,620.58-17,866,248.62-7,145,402.32

Finding the Fourth Proportional to 12,946,620.58, 17,866,248.62 and 7,145,402.32

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Solution

The fourth proportional to 12,946,620.58, 17,866,248.62 and 7,145,402.32 is: 9,860,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,620.58 : 17,866,248.62 = 7,145,402.32 : x
  2. Step 2: Convert to fraction form
    12,946,620.58/17,866,248.62 = 7,145,402.32/x
  3. Step 3: Cross multiply
    12,946,620.58x = 17,866,248.62 × 7,145,402.32
  4. Step 4: Simplify right side
    12,946,620.58x = 127,661,534,339,044.81
  5. Step 5: Solve for x
    x = 127,661,534,339,044.81/12,946,620.58
  6. Step 6: Final answer
    x = 9,860,606.75

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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.