Home / 13,476,985.95-20,201,700.83-6,643,048.35

Finding the Fourth Proportional to 13,476,985.95, 20,201,700.83 and 6,643,048.35

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Solution

The fourth proportional to 13,476,985.95, 20,201,700.83 and 6,643,048.35 is: 9,957,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,985.95 : 20,201,700.83 = 6,643,048.35 : x
  2. Step 2: Convert to fraction form
    13,476,985.95/20,201,700.83 = 6,643,048.35/x
  3. Step 3: Cross multiply
    13,476,985.95x = 20,201,700.83 × 6,643,048.35
  4. Step 4: Simplify right side
    13,476,985.95x = 134,200,875,332,709.88
  5. Step 5: Solve for x
    x = 134,200,875,332,709.88/13,476,985.95
  6. Step 6: Final answer
    x = 9,957,781.05

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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.