Home / 12,946,620.32-17,866,248.27-7,145,402.08

Finding the Fourth Proportional to 12,946,620.32, 17,866,248.27 and 7,145,402.08

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Solution

The fourth proportional to 12,946,620.32, 17,866,248.27 and 7,145,402.08 is: 9,860,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,620.32 : 17,866,248.27 = 7,145,402.08 : x
  2. Step 2: Convert to fraction form
    12,946,620.32/17,866,248.27 = 7,145,402.08/x
  3. Step 3: Cross multiply
    12,946,620.32x = 17,866,248.27 × 7,145,402.08
  4. Step 4: Simplify right side
    12,946,620.32x = 127,661,527,550,254.41
  5. Step 5: Solve for x
    x = 127,661,527,550,254.41/12,946,620.32
  6. Step 6: Final answer
    x = 9,860,606.43

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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.