Home / 9,720,586.91-13,414,149.56-5,369,579.57

Finding the Fourth Proportional to 9,720,586.91, 13,414,149.56 and 5,369,579.57

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Solution

The fourth proportional to 9,720,586.91, 13,414,149.56 and 5,369,579.57 is: 7,409,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,586.91 : 13,414,149.56 = 5,369,579.57 : x
  2. Step 2: Convert to fraction form
    9,720,586.91/13,414,149.56 = 5,369,579.57/x
  3. Step 3: Cross multiply
    9,720,586.91x = 13,414,149.56 × 5,369,579.57
  4. Step 4: Simplify right side
    9,720,586.91x = 72,028,343,372,653.70
  5. Step 5: Solve for x
    x = 72,028,343,372,653.70/9,720,586.91
  6. Step 6: Final answer
    x = 7,409,875.98

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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.