Home / 13,366,612.44-18,445,431.24-7,254,909.72

Finding the Fourth Proportional to 13,366,612.44, 18,445,431.24 and 7,254,909.72

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Solution

The fourth proportional to 13,366,612.44, 18,445,431.24 and 7,254,909.72 is: 10,011,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,612.44 : 18,445,431.24 = 7,254,909.72 : x
  2. Step 2: Convert to fraction form
    13,366,612.44/18,445,431.24 = 7,254,909.72/x
  3. Step 3: Cross multiply
    13,366,612.44x = 18,445,431.24 × 7,254,909.72
  4. Step 4: Simplify right side
    13,366,612.44x = 133,819,938,392,667.64
  5. Step 5: Solve for x
    x = 133,819,938,392,667.64/13,366,612.44
  6. Step 6: Final answer
    x = 10,011,507.33

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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.