Home / 31,480,079.68-47,184,300.10-19,156,863.68

Finding the Fourth Proportional to 31,480,079.68, 47,184,300.10 and 19,156,863.68

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Solution

The fourth proportional to 31,480,079.68, 47,184,300.10 and 19,156,863.68 is: 28,713,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480,079.68 : 47,184,300.10 = 19,156,863.68 : x
  2. Step 2: Convert to fraction form
    31,480,079.68/47,184,300.10 = 19,156,863.68/x
  3. Step 3: Cross multiply
    31,480,079.68x = 47,184,300.10 × 19,156,863.68
  4. Step 4: Simplify right side
    31,480,079.68x = 903,903,204,851,910.38
  5. Step 5: Solve for x
    x = 903,903,204,851,910.38/31,480,079.68
  6. Step 6: Final answer
    x = 28,713,498.00

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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.