Home / 28,988,819.52-43,495,148.64-12,806,230.08

Finding the Fourth Proportional to 28,988,819.52, 43,495,148.64 and 12,806,230.08

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Solution

The fourth proportional to 28,988,819.52, 43,495,148.64 and 12,806,230.08 is: 19,214,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,819.52 : 43,495,148.64 = 12,806,230.08 : x
  2. Step 2: Convert to fraction form
    28,988,819.52/43,495,148.64 = 12,806,230.08/x
  3. Step 3: Cross multiply
    28,988,819.52x = 43,495,148.64 × 12,806,230.08
  4. Step 4: Simplify right side
    28,988,819.52x = 557,008,880,847,639.12
  5. Step 5: Solve for x
    x = 557,008,880,847,639.12/28,988,819.52
  6. Step 6: Final answer
    x = 19,214,610.67

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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.