Home / 13,457,324.05-18,570,870.23-7,655,982.14

Finding the Fourth Proportional to 13,457,324.05, 18,570,870.23 and 7,655,982.14

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Solution

The fourth proportional to 13,457,324.05, 18,570,870.23 and 7,655,982.14 is: 10,565,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,324.05 : 18,570,870.23 = 7,655,982.14 : x
  2. Step 2: Convert to fraction form
    13,457,324.05/18,570,870.23 = 7,655,982.14/x
  3. Step 3: Cross multiply
    13,457,324.05x = 18,570,870.23 × 7,655,982.14
  4. Step 4: Simplify right side
    13,457,324.05x = 142,178,250,805,137.69
  5. Step 5: Solve for x
    x = 142,178,250,805,137.69/13,457,324.05
  6. Step 6: Final answer
    x = 10,565,120.55

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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.