Home / 13,864,809.19-19,126,990.26-8,971,611.28

Finding the Fourth Proportional to 13,864,809.19, 19,126,990.26 and 8,971,611.28

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Solution

The fourth proportional to 13,864,809.19, 19,126,990.26 and 8,971,611.28 is: 12,376,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,809.19 : 19,126,990.26 = 8,971,611.28 : x
  2. Step 2: Convert to fraction form
    13,864,809.19/19,126,990.26 = 8,971,611.28/x
  3. Step 3: Cross multiply
    13,864,809.19x = 19,126,990.26 × 8,971,611.28
  4. Step 4: Simplify right side
    13,864,809.19x = 171,599,921,569,066.12
  5. Step 5: Solve for x
    x = 171,599,921,569,066.12/13,864,809.19
  6. Step 6: Final answer
    x = 12,376,652.23

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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.