Home / 31,385,339.76-47,078,159.76-9,525,908.82

Finding the Fourth Proportional to 31,385,339.76, 47,078,159.76 and 9,525,908.82

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Solution

The fourth proportional to 31,385,339.76, 47,078,159.76 and 9,525,908.82 is: 14,288,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,339.76 : 47,078,159.76 = 9,525,908.82 : x
  2. Step 2: Convert to fraction form
    31,385,339.76/47,078,159.76 = 9,525,908.82/x
  3. Step 3: Cross multiply
    31,385,339.76x = 47,078,159.76 × 9,525,908.82
  4. Step 4: Simplify right side
    31,385,339.76x = 448,462,257,287,153.06
  5. Step 5: Solve for x
    x = 448,462,257,287,153.06/31,385,339.76
  6. Step 6: Final answer
    x = 14,288,908.79

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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.