Home / 12,775,938.20-19,163,907.30-6,708,325.40

Finding the Fourth Proportional to 12,775,938.20, 19,163,907.30 and 6,708,325.40

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Solution

The fourth proportional to 12,775,938.20, 19,163,907.30 and 6,708,325.40 is: 10,062,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,938.20 : 19,163,907.30 = 6,708,325.40 : x
  2. Step 2: Convert to fraction form
    12,775,938.20/19,163,907.30 = 6,708,325.40/x
  3. Step 3: Cross multiply
    12,775,938.20x = 19,163,907.30 × 6,708,325.40
  4. Step 4: Simplify right side
    12,775,938.20x = 128,557,726,103,835.44
  5. Step 5: Solve for x
    x = 128,557,726,103,835.44/12,775,938.20
  6. Step 6: Final answer
    x = 10,062,488.10

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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.