Home / 11,221,069.31-16,831,604.01-8,666,011.05

Finding the Fourth Proportional to 11,221,069.31, 16,831,604.01 and 8,666,011.05

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Solution

The fourth proportional to 11,221,069.31, 16,831,604.01 and 8,666,011.05 is: 12,999,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221,069.31 : 16,831,604.01 = 8,666,011.05 : x
  2. Step 2: Convert to fraction form
    11,221,069.31/16,831,604.01 = 8,666,011.05/x
  3. Step 3: Cross multiply
    11,221,069.31x = 16,831,604.01 × 8,666,011.05
  4. Step 4: Simplify right side
    11,221,069.31x = 145,862,866,254,475.22
  5. Step 5: Solve for x
    x = 145,862,866,254,475.22/11,221,069.31
  6. Step 6: Final answer
    x = 12,999,016.60

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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.