Home / 11,133,905.60-16,700,858.40-8,611,371.20

Finding the Fourth Proportional to 11,133,905.60, 16,700,858.40 and 8,611,371.20

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Solution

The fourth proportional to 11,133,905.60, 16,700,858.40 and 8,611,371.20 is: 12,917,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133,905.60 : 16,700,858.40 = 8,611,371.20 : x
  2. Step 2: Convert to fraction form
    11,133,905.60/16,700,858.40 = 8,611,371.20/x
  3. Step 3: Cross multiply
    11,133,905.60x = 16,700,858.40 × 8,611,371.20
  4. Step 4: Simplify right side
    11,133,905.60x = 143,817,291,041,038.06
  5. Step 5: Solve for x
    x = 143,817,291,041,038.06/11,133,905.60
  6. Step 6: Final answer
    x = 12,917,056.80

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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.