Home / 8,211,051.53-12,286,068.65-5,164,188.74

Finding the Fourth Proportional to 8,211,051.53, 12,286,068.65 and 5,164,188.74

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Solution

The fourth proportional to 8,211,051.53, 12,286,068.65 and 5,164,188.74 is: 7,727,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,051.53 : 12,286,068.65 = 5,164,188.74 : x
  2. Step 2: Convert to fraction form
    8,211,051.53/12,286,068.65 = 5,164,188.74/x
  3. Step 3: Cross multiply
    8,211,051.53x = 12,286,068.65 × 5,164,188.74
  4. Step 4: Simplify right side
    8,211,051.53x = 63,447,577,355,376.05
  5. Step 5: Solve for x
    x = 63,447,577,355,376.05/8,211,051.53
  6. Step 6: Final answer
    x = 7,727,095.26

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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.