Home / 28,295,328.98-42,442,940.42-8,866,042.40

Finding the Fourth Proportional to 28,295,328.98, 42,442,940.42 and 8,866,042.40

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Solution

The fourth proportional to 28,295,328.98, 42,442,940.42 and 8,866,042.40 is: 13,299,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,328.98 : 42,442,940.42 = 8,866,042.40 : x
  2. Step 2: Convert to fraction form
    28,295,328.98/42,442,940.42 = 8,866,042.40/x
  3. Step 3: Cross multiply
    28,295,328.98x = 42,442,940.42 × 8,866,042.40
  4. Step 4: Simplify right side
    28,295,328.98x = 376,300,909,344,393.81
  5. Step 5: Solve for x
    x = 376,300,909,344,393.81/28,295,328.98
  6. Step 6: Final answer
    x = 13,299,046.98

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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.