Home / 31,969,547.40-47,954,321.10-19,204,465.80

Finding the Fourth Proportional to 31,969,547.40, 47,954,321.10 and 19,204,465.80

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Solution

The fourth proportional to 31,969,547.40, 47,954,321.10 and 19,204,465.80 is: 28,806,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,547.40 : 47,954,321.10 = 19,204,465.80 : x
  2. Step 2: Convert to fraction form
    31,969,547.40/47,954,321.10 = 19,204,465.80/x
  3. Step 3: Cross multiply
    31,969,547.40x = 47,954,321.10 × 19,204,465.80
  4. Step 4: Simplify right side
    31,969,547.40x = 920,937,119,527,168.50
  5. Step 5: Solve for x
    x = 920,937,119,527,168.50/31,969,547.40
  6. Step 6: Final answer
    x = 28,806,698.70

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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.