Home / 8,018,586.40-12,027,706.80-5,340,071.20

Finding the Fourth Proportional to 8,018,586.40, 12,027,706.80 and 5,340,071.20

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Solution

The fourth proportional to 8,018,586.40, 12,027,706.80 and 5,340,071.20 is: 8,009,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,586.40 : 12,027,706.80 = 5,340,071.20 : x
  2. Step 2: Convert to fraction form
    8,018,586.40/12,027,706.80 = 5,340,071.20/x
  3. Step 3: Cross multiply
    8,018,586.40x = 12,027,706.80 × 5,340,071.20
  4. Step 4: Simplify right side
    8,018,586.40x = 64,228,810,684,724.16
  5. Step 5: Solve for x
    x = 64,228,810,684,724.16/8,018,586.40
  6. Step 6: Final answer
    x = 8,009,991.72

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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.