Home / 28,514,823.40-42,772,235.10-9,346,205.80

Finding the Fourth Proportional to 28,514,823.40, 42,772,235.10 and 9,346,205.80

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Solution

The fourth proportional to 28,514,823.40, 42,772,235.10 and 9,346,205.80 is: 14,019,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,823.40 : 42,772,235.10 = 9,346,205.80 : x
  2. Step 2: Convert to fraction form
    28,514,823.40/42,772,235.10 = 9,346,205.80/x
  3. Step 3: Cross multiply
    28,514,823.40x = 42,772,235.10 × 9,346,205.80
  4. Step 4: Simplify right side
    28,514,823.40x = 399,758,111,770,583.62
  5. Step 5: Solve for x
    x = 399,758,111,770,583.62/28,514,823.40
  6. Step 6: Final answer
    x = 14,019,308.70

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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.