Home / 6,661,501.20-9,977,117.70-5,213,158.35

Finding the Fourth Proportional to 6,661,501.20, 9,977,117.70 and 5,213,158.35

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Solution

The fourth proportional to 6,661,501.20, 9,977,117.70 and 5,213,158.35 is: 7,807,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,501.20 : 9,977,117.70 = 5,213,158.35 : x
  2. Step 2: Convert to fraction form
    6,661,501.20/9,977,117.70 = 5,213,158.35/x
  3. Step 3: Cross multiply
    6,661,501.20x = 9,977,117.70 × 5,213,158.35
  4. Step 4: Simplify right side
    6,661,501.20x = 52,012,294,446,687.79
  5. Step 5: Solve for x
    x = 52,012,294,446,687.79/6,661,501.20
  6. Step 6: Final answer
    x = 7,807,893.88

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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.