Home / 13,967,686.95-20,921,248.68-6,764,114.94

Finding the Fourth Proportional to 13,967,686.95, 20,921,248.68 and 6,764,114.94

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Solution

The fourth proportional to 13,967,686.95, 20,921,248.68 and 6,764,114.94 is: 10,131,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967,686.95 : 20,921,248.68 = 6,764,114.94 : x
  2. Step 2: Convert to fraction form
    13,967,686.95/20,921,248.68 = 6,764,114.94/x
  3. Step 3: Cross multiply
    13,967,686.95x = 20,921,248.68 × 6,764,114.94
  4. Step 4: Simplify right side
    13,967,686.95x = 141,513,730,759,843.28
  5. Step 5: Solve for x
    x = 141,513,730,759,843.28/13,967,686.95
  6. Step 6: Final answer
    x = 10,131,507.91

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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.