Home / 22,611,056.40-31,211,374.20-13,443,677.28

Finding the Fourth Proportional to 22,611,056.40, 31,211,374.20 and 13,443,677.28

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Solution

The fourth proportional to 22,611,056.40, 31,211,374.20 and 13,443,677.28 is: 18,557,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611,056.40 : 31,211,374.20 = 13,443,677.28 : x
  2. Step 2: Convert to fraction form
    22,611,056.40/31,211,374.20 = 13,443,677.28/x
  3. Step 3: Cross multiply
    22,611,056.40x = 31,211,374.20 × 13,443,677.28
  4. Step 4: Simplify right side
    22,611,056.40x = 419,595,642,210,118.12
  5. Step 5: Solve for x
    x = 419,595,642,210,118.12/22,611,056.40
  6. Step 6: Final answer
    x = 18,557,100.33

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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.