Home / 28,616,876.64-42,925,339.20-7,051,481.28

Finding the Fourth Proportional to 28,616,876.64, 42,925,339.20 and 7,051,481.28

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Solution

The fourth proportional to 28,616,876.64, 42,925,339.20 and 7,051,481.28 is: 10,577,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616,876.64 : 42,925,339.20 = 7,051,481.28 : x
  2. Step 2: Convert to fraction form
    28,616,876.64/42,925,339.20 = 7,051,481.28/x
  3. Step 3: Cross multiply
    28,616,876.64x = 42,925,339.20 × 7,051,481.28
  4. Step 4: Simplify right side
    28,616,876.64x = 302,687,225,806,450.19
  5. Step 5: Solve for x
    x = 302,687,225,806,450.19/28,616,876.64
  6. Step 6: Final answer
    x = 10,577,227.89

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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.