Home / 10,274,390.89-14,168,878.69-6,143,765.72

Finding the Fourth Proportional to 10,274,390.89, 14,168,878.69 and 6,143,765.72

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Solution

The fourth proportional to 10,274,390.89, 14,168,878.69 and 6,143,765.72 is: 8,472,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274,390.89 : 14,168,878.69 = 6,143,765.72 : x
  2. Step 2: Convert to fraction form
    10,274,390.89/14,168,878.69 = 6,143,765.72/x
  3. Step 3: Cross multiply
    10,274,390.89x = 14,168,878.69 × 6,143,765.72
  4. Step 4: Simplify right side
    10,274,390.89x = 87,050,271,115,616.11
  5. Step 5: Solve for x
    x = 87,050,271,115,616.11/10,274,390.89
  6. Step 6: Final answer
    x = 8,472,548.11

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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.