Home / 13,459,611.57-18,573,561.41-7,346,859.09

Finding the Fourth Proportional to 13,459,611.57, 18,573,561.41 and 7,346,859.09

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Solution

The fourth proportional to 13,459,611.57, 18,573,561.41 and 7,346,859.09 is: 10,138,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,611.57 : 18,573,561.41 = 7,346,859.09 : x
  2. Step 2: Convert to fraction form
    13,459,611.57/18,573,561.41 = 7,346,859.09/x
  3. Step 3: Cross multiply
    13,459,611.57x = 18,573,561.41 × 7,346,859.09
  4. Step 4: Simplify right side
    13,459,611.57x = 136,457,338,441,997.42
  5. Step 5: Solve for x
    x = 136,457,338,441,997.42/13,459,611.57
  6. Step 6: Final answer
    x = 10,138,282.05

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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.