Home / 8,439,407.62-12,638,116.20-5,903,187.46

Finding the Fourth Proportional to 8,439,407.62, 12,638,116.20 and 5,903,187.46

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Solution

The fourth proportional to 8,439,407.62, 12,638,116.20 and 5,903,187.46 is: 8,840,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,407.62 : 12,638,116.20 = 5,903,187.46 : x
  2. Step 2: Convert to fraction form
    8,439,407.62/12,638,116.20 = 5,903,187.46/x
  3. Step 3: Cross multiply
    8,439,407.62x = 12,638,116.20 × 5,903,187.46
  4. Step 4: Simplify right side
    8,439,407.62x = 74,605,169,069,862.84
  5. Step 5: Solve for x
    x = 74,605,169,069,862.84/8,439,407.62
  6. Step 6: Final answer
    x = 8,840,095.47

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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.