Home / 31,639,007.78-47,462,302.70-11,164,498.31

Finding the Fourth Proportional to 31,639,007.78, 47,462,302.70 and 11,164,498.31

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Solution

The fourth proportional to 31,639,007.78, 47,462,302.70 and 11,164,498.31 is: 16,748,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639,007.78 : 47,462,302.70 = 11,164,498.31 : x
  2. Step 2: Convert to fraction form
    31,639,007.78/47,462,302.70 = 11,164,498.31/x
  3. Step 3: Cross multiply
    31,639,007.78x = 47,462,302.70 × 11,164,498.31
  4. Step 4: Simplify right side
    31,639,007.78x = 529,892,798,450,347.69
  5. Step 5: Solve for x
    x = 529,892,798,450,347.69/31,639,007.78
  6. Step 6: Final answer
    x = 16,748,085.21

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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.