Home / 10,142,181.47-15,218,266.77-4,749,900.62

Finding the Fourth Proportional to 10,142,181.47, 15,218,266.77 and 4,749,900.62

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Solution

The fourth proportional to 10,142,181.47, 15,218,266.77 and 4,749,900.62 is: 7,127,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,181.47 : 15,218,266.77 = 4,749,900.62 : x
  2. Step 2: Convert to fraction form
    10,142,181.47/15,218,266.77 = 4,749,900.62/x
  3. Step 3: Cross multiply
    10,142,181.47x = 15,218,266.77 × 4,749,900.62
  4. Step 4: Simplify right side
    10,142,181.47x = 72,285,254,690,057.06
  5. Step 5: Solve for x
    x = 72,285,254,690,057.06/10,142,181.47
  6. Step 6: Final answer
    x = 7,127,190.04

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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.