Home / 28,076,890.48-42,116,193.64-9,632,576.76

Finding the Fourth Proportional to 28,076,890.48, 42,116,193.64 and 9,632,576.76

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Solution

The fourth proportional to 28,076,890.48, 42,116,193.64 and 9,632,576.76 is: 14,449,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076,890.48 : 42,116,193.64 = 9,632,576.76 : x
  2. Step 2: Convert to fraction form
    28,076,890.48/42,116,193.64 = 9,632,576.76/x
  3. Step 3: Cross multiply
    28,076,890.48x = 42,116,193.64 × 9,632,576.76
  4. Step 4: Simplify right side
    28,076,890.48x = 405,687,468,076,323.81
  5. Step 5: Solve for x
    x = 405,687,468,076,323.81/28,076,890.48
  6. Step 6: Final answer
    x = 14,449,159.47

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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.