Home / 12,357,514.60-18,536,271.90-8,315,938.60

Finding the Fourth Proportional to 12,357,514.60, 18,536,271.90 and 8,315,938.60

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Solution

The fourth proportional to 12,357,514.60, 18,536,271.90 and 8,315,938.60 is: 12,473,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,514.60 : 18,536,271.90 = 8,315,938.60 : x
  2. Step 2: Convert to fraction form
    12,357,514.60/18,536,271.90 = 8,315,938.60/x
  3. Step 3: Cross multiply
    12,357,514.60x = 18,536,271.90 × 8,315,938.60
  4. Step 4: Simplify right side
    12,357,514.60x = 154,146,498,993,305.31
  5. Step 5: Solve for x
    x = 154,146,498,993,305.31/12,357,514.60
  6. Step 6: Final answer
    x = 12,473,907.90

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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.