Home / 8,290,774.29-12,440,013.47-3,171,512.01

Finding the Fourth Proportional to 8,290,774.29, 12,440,013.47 and 3,171,512.01

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Solution

The fourth proportional to 8,290,774.29, 12,440,013.47 and 3,171,512.01 is: 4,758,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,774.29 : 12,440,013.47 = 3,171,512.01 : x
  2. Step 2: Convert to fraction form
    8,290,774.29/12,440,013.47 = 3,171,512.01/x
  3. Step 3: Cross multiply
    8,290,774.29x = 12,440,013.47 × 3,171,512.01
  4. Step 4: Simplify right side
    8,290,774.29x = 39,453,652,124,666.77
  5. Step 5: Solve for x
    x = 39,453,652,124,666.77/8,290,774.29
  6. Step 6: Final answer
    x = 4,758,741.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.