Home / 8,611,347.18-12,917,039-8,085,220.59

Finding the Fourth Proportional to 8,611,347.18, 12,917,039 and 8,085,220.59

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Solution

The fourth proportional to 8,611,347.18, 12,917,039 and 8,085,220.59 is: 12,127,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,347.18 : 12,917,039 = 8,085,220.59 : x
  2. Step 2: Convert to fraction form
    8,611,347.18/12,917,039 = 8,085,220.59/x
  3. Step 3: Cross multiply
    8,611,347.18x = 12,917,039 × 8,085,220.59
  4. Step 4: Simplify right side
    8,611,347.18x = 104,437,109,684,633.02
  5. Step 5: Solve for x
    x = 104,437,109,684,633.02/8,611,347.18
  6. Step 6: Final answer
    x = 12,127,848.00

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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.