Home / 13,457,074.56-18,570,599.76-7,655,843.04

Finding the Fourth Proportional to 13,457,074.56, 18,570,599.76 and 7,655,843.04

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Solution

The fourth proportional to 13,457,074.56, 18,570,599.76 and 7,655,843.04 is: 10,564,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,074.56 : 18,570,599.76 = 7,655,843.04 : x
  2. Step 2: Convert to fraction form
    13,457,074.56/18,570,599.76 = 7,655,843.04/x
  3. Step 3: Cross multiply
    13,457,074.56x = 18,570,599.76 × 7,655,843.04
  4. Step 4: Simplify right side
    13,457,074.56x = 142,173,596,921,221.69
  5. Step 5: Solve for x
    x = 142,173,596,921,221.69/13,457,074.56
  6. Step 6: Final answer
    x = 10,564,970.59

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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.