Home / 13,459,188.32-18,573,585.19-7,347,616.82

Finding the Fourth Proportional to 13,459,188.32, 18,573,585.19 and 7,347,616.82

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Solution

The fourth proportional to 13,459,188.32, 18,573,585.19 and 7,347,616.82 is: 10,139,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,188.32 : 18,573,585.19 = 7,347,616.82 : x
  2. Step 2: Convert to fraction form
    13,459,188.32/18,573,585.19 = 7,347,616.82/x
  3. Step 3: Cross multiply
    13,459,188.32x = 18,573,585.19 × 7,347,616.82
  4. Step 4: Simplify right side
    13,459,188.32x = 136,471,586,838,509.94
  5. Step 5: Solve for x
    x = 136,471,586,838,509.94/13,459,188.32
  6. Step 6: Final answer
    x = 10,139,659.51

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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.