Home / 10,074,062.40-13,901,800.80-5,490,285.12

Finding the Fourth Proportional to 10,074,062.40, 13,901,800.80 and 5,490,285.12

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Solution

The fourth proportional to 10,074,062.40, 13,901,800.80 and 5,490,285.12 is: 7,576,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074,062.40 : 13,901,800.80 = 5,490,285.12 : x
  2. Step 2: Convert to fraction form
    10,074,062.40/13,901,800.80 = 5,490,285.12/x
  3. Step 3: Cross multiply
    10,074,062.40x = 13,901,800.80 × 5,490,285.12
  4. Step 4: Simplify right side
    10,074,062.40x = 76,324,850,073,444.11
  5. Step 5: Solve for x
    x = 76,324,850,073,444.11/10,074,062.40
  6. Step 6: Final answer
    x = 7,576,372.57

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1.5x scale

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.