Home / 13,459,616.82-18,573,568.65-7,346,864.34

Finding the Fourth Proportional to 13,459,616.82, 18,573,568.65 and 7,346,864.34

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Solution

The fourth proportional to 13,459,616.82, 18,573,568.65 and 7,346,864.34 is: 10,138,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,616.82 : 18,573,568.65 = 7,346,864.34 : x
  2. Step 2: Convert to fraction form
    13,459,616.82/18,573,568.65 = 7,346,864.34/x
  3. Step 3: Cross multiply
    13,459,616.82x = 18,573,568.65 × 7,346,864.34
  4. Step 4: Simplify right side
    13,459,616.82x = 136,457,489,181,226.92
  5. Step 5: Solve for x
    x = 136,457,489,181,226.92/13,459,616.82
  6. Step 6: Final answer
    x = 10,138,289.30

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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.