Home / 31,085,511.20-46,628,266.80-19,748,103.20

Finding the Fourth Proportional to 31,085,511.20, 46,628,266.80 and 19,748,103.20

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Solution

The fourth proportional to 31,085,511.20, 46,628,266.80 and 19,748,103.20 is: 29,622,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085,511.20 : 46,628,266.80 = 19,748,103.20 : x
  2. Step 2: Convert to fraction form
    31,085,511.20/46,628,266.80 = 19,748,103.20/x
  3. Step 3: Cross multiply
    31,085,511.20x = 46,628,266.80 × 19,748,103.20
  4. Step 4: Simplify right side
    31,085,511.20x = 920,819,824,803,533.62
  5. Step 5: Solve for x
    x = 920,819,824,803,533.62/31,085,511.20
  6. Step 6: Final answer
    x = 29,622,154.80

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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.