Home / 13,760,445.30-20,640,667.95-4,175,808.45

Finding the Fourth Proportional to 13,760,445.30, 20,640,667.95 and 4,175,808.45

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Solution

The fourth proportional to 13,760,445.30, 20,640,667.95 and 4,175,808.45 is: 6,263,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,445.30 : 20,640,667.95 = 4,175,808.45 : x
  2. Step 2: Convert to fraction form
    13,760,445.30/20,640,667.95 = 4,175,808.45/x
  3. Step 3: Cross multiply
    13,760,445.30x = 20,640,667.95 × 4,175,808.45
  4. Step 4: Simplify right side
    13,760,445.30x = 86,191,475,639,254.17
  5. Step 5: Solve for x
    x = 86,191,475,639,254.17/13,760,445.30
  6. Step 6: Final answer
    x = 6,263,712.68

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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.