Home / 31,191,931.40-46,791,023.70-10,718,954.60

Finding the Fourth Proportional to 31,191,931.40, 46,791,023.70 and 10,718,954.60

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Solution

The fourth proportional to 31,191,931.40, 46,791,023.70 and 10,718,954.60 is: 16,079,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191,931.40 : 46,791,023.70 = 10,718,954.60 : x
  2. Step 2: Convert to fraction form
    31,191,931.40/46,791,023.70 = 10,718,954.60/x
  3. Step 3: Cross multiply
    31,191,931.40x = 46,791,023.70 × 10,718,954.60
  4. Step 4: Simplify right side
    31,191,931.40x = 501,550,858,727,824.06
  5. Step 5: Solve for x
    x = 501,550,858,727,824.06/31,191,931.40
  6. Step 6: Final answer
    x = 16,079,506.34

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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.