Home / 31,884,878.16-47,834,906.04-10,319,479.92

Finding the Fourth Proportional to 31,884,878.16, 47,834,906.04 and 10,319,479.92

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Solution

The fourth proportional to 31,884,878.16, 47,834,906.04 and 10,319,479.92 is: 15,481,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,884,878.16 : 47,834,906.04 = 10,319,479.92 : x
  2. Step 2: Convert to fraction form
    31,884,878.16/47,834,906.04 = 10,319,479.92/x
  3. Step 3: Cross multiply
    31,884,878.16x = 47,834,906.04 × 10,319,479.92
  4. Step 4: Simplify right side
    31,884,878.16x = 493,631,352,354,866.69
  5. Step 5: Solve for x
    x = 493,631,352,354,866.69/31,884,878.16
  6. Step 6: Final answer
    x = 15,481,675.98

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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.