Home / 18,671,352.90-28,007,029.35-7,308,024.90

Finding the Fourth Proportional to 18,671,352.90, 28,007,029.35 and 7,308,024.90

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Solution

The fourth proportional to 18,671,352.90, 28,007,029.35 and 7,308,024.90 is: 10,962,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,352.90 : 28,007,029.35 = 7,308,024.90 : x
  2. Step 2: Convert to fraction form
    18,671,352.90/28,007,029.35 = 7,308,024.90/x
  3. Step 3: Cross multiply
    18,671,352.90x = 28,007,029.35 × 7,308,024.90
  4. Step 4: Simplify right side
    18,671,352.90x = 204,676,067,864,830.84
  5. Step 5: Solve for x
    x = 204,676,067,864,830.84/18,671,352.90
  6. Step 6: Final answer
    x = 10,962,037.35

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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.