Home / 28,603,787.40-42,889,934.70-9,424,672.20

Finding the Fourth Proportional to 28,603,787.40, 42,889,934.70 and 9,424,672.20

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Solution

The fourth proportional to 28,603,787.40, 42,889,934.70 and 9,424,672.20 is: 14,131,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603,787.40 : 42,889,934.70 = 9,424,672.20 : x
  2. Step 2: Convert to fraction form
    28,603,787.40/42,889,934.70 = 9,424,672.20/x
  3. Step 3: Cross multiply
    28,603,787.40x = 42,889,934.70 × 9,424,672.20
  4. Step 4: Simplify right side
    28,603,787.40x = 404,223,575,226,905.31
  5. Step 5: Solve for x
    x = 404,223,575,226,905.31/28,603,787.40
  6. Step 6: Final answer
    x = 14,131,820.01

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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.