Home / 28,931,097.60-43,380,878.40-8,733,715.20

Finding the Fourth Proportional to 28,931,097.60, 43,380,878.40 and 8,733,715.20

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Solution

The fourth proportional to 28,931,097.60, 43,380,878.40 and 8,733,715.20 is: 13,095,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,097.60 : 43,380,878.40 = 8,733,715.20 : x
  2. Step 2: Convert to fraction form
    28,931,097.60/43,380,878.40 = 8,733,715.20/x
  3. Step 3: Cross multiply
    28,931,097.60x = 43,380,878.40 × 8,733,715.20
  4. Step 4: Simplify right side
    28,931,097.60x = 378,876,237,071,431.62
  5. Step 5: Solve for x
    x = 378,876,237,071,431.62/28,931,097.60
  6. Step 6: Final answer
    x = 13,095,812.76

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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.