Home / 31,986,005.36-47,979,006.21-8,960,348.93

Finding the Fourth Proportional to 31,986,005.36, 47,979,006.21 and 8,960,348.93

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Solution

The fourth proportional to 31,986,005.36, 47,979,006.21 and 8,960,348.93 is: 13,440,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986,005.36 : 47,979,006.21 = 8,960,348.93 : x
  2. Step 2: Convert to fraction form
    31,986,005.36/47,979,006.21 = 8,960,348.93/x
  3. Step 3: Cross multiply
    31,986,005.36x = 47,979,006.21 × 8,960,348.93
  4. Step 4: Simplify right side
    31,986,005.36x = 429,908,636,716,341.88
  5. Step 5: Solve for x
    x = 429,908,636,716,341.88/31,986,005.36
  6. Step 6: Final answer
    x = 13,440,522.88

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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.