Home / 28,242,827.70-42,371,458.65-9,073,772.70

Finding the Fourth Proportional to 28,242,827.70, 42,371,458.65 and 9,073,772.70

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Solution

The fourth proportional to 28,242,827.70, 42,371,458.65 and 9,073,772.70 is: 13,612,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,827.70 : 42,371,458.65 = 9,073,772.70 : x
  2. Step 2: Convert to fraction form
    28,242,827.70/42,371,458.65 = 9,073,772.70/x
  3. Step 3: Cross multiply
    28,242,827.70x = 42,371,458.65 × 9,073,772.70
  4. Step 4: Simplify right side
    28,242,827.70x = 384,468,984,757,548.81
  5. Step 5: Solve for x
    x = 384,468,984,757,548.81/28,242,827.70
  6. Step 6: Final answer
    x = 13,612,977.74

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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.