Home / 7,862,456.81-10,850,636.96-4,723,680.54

Finding the Fourth Proportional to 7,862,456.81, 10,850,636.96 and 4,723,680.54

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Solution

The fourth proportional to 7,862,456.81, 10,850,636.96 and 4,723,680.54 is: 6,518,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862,456.81 : 10,850,636.96 = 4,723,680.54 : x
  2. Step 2: Convert to fraction form
    7,862,456.81/10,850,636.96 = 4,723,680.54/x
  3. Step 3: Cross multiply
    7,862,456.81x = 10,850,636.96 × 4,723,680.54
  4. Step 4: Simplify right side
    7,862,456.81x = 51,254,942,630,938.36
  5. Step 5: Solve for x
    x = 51,254,942,630,938.36/7,862,456.81
  6. Step 6: Final answer
    x = 6,518,947.44

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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.