Home / 12,705,516.25-17,535,974.40-7,273,008.25

Finding the Fourth Proportional to 12,705,516.25, 17,535,974.40 and 7,273,008.25

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Solution

The fourth proportional to 12,705,516.25, 17,535,974.40 and 7,273,008.25 is: 10,038,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,516.25 : 17,535,974.40 = 7,273,008.25 : x
  2. Step 2: Convert to fraction form
    12,705,516.25/17,535,974.40 = 7,273,008.25/x
  3. Step 3: Cross multiply
    12,705,516.25x = 17,535,974.40 × 7,273,008.25
  4. Step 4: Simplify right side
    12,705,516.25x = 127,539,286,482,988.80
  5. Step 5: Solve for x
    x = 127,539,286,482,988.80/12,705,516.25
  6. Step 6: Final answer
    x = 10,038,103.45

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1.5x scale

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.