Home / 13,673,084.08-18,868,809.37-7,561,381.36

Finding the Fourth Proportional to 13,673,084.08, 18,868,809.37 and 7,561,381.36

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Solution

The fourth proportional to 13,673,084.08, 18,868,809.37 and 7,561,381.36 is: 10,434,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,084.08 : 18,868,809.37 = 7,561,381.36 : x
  2. Step 2: Convert to fraction form
    13,673,084.08/18,868,809.37 = 7,561,381.36/x
  3. Step 3: Cross multiply
    13,673,084.08x = 18,868,809.37 × 7,561,381.36
  4. Step 4: Simplify right side
    13,673,084.08x = 142,674,263,323,560.38
  5. Step 5: Solve for x
    x = 142,674,263,323,560.38/13,673,084.08
  6. Step 6: Final answer
    x = 10,434,680.47

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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.