Home / 8,705,525.16-12,009,898.12-5,436,664.88

Finding the Fourth Proportional to 8,705,525.16, 12,009,898.12 and 5,436,664.88

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Solution

The fourth proportional to 8,705,525.16, 12,009,898.12 and 5,436,664.88 is: 7,500,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,525.16 : 12,009,898.12 = 5,436,664.88 : x
  2. Step 2: Convert to fraction form
    8,705,525.16/12,009,898.12 = 5,436,664.88/x
  3. Step 3: Cross multiply
    8,705,525.16x = 12,009,898.12 × 5,436,664.88
  4. Step 4: Simplify right side
    8,705,525.16x = 65,293,791,321,382.02
  5. Step 5: Solve for x
    x = 65,293,791,321,382.02/8,705,525.16
  6. Step 6: Final answer
    x = 7,500,270.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.