Home / 21,326,590.48-29,432,273.90-12,159,464.08

Finding the Fourth Proportional to 21,326,590.48, 29,432,273.90 and 12,159,464.08

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Solution

The fourth proportional to 21,326,590.48, 29,432,273.90 and 12,159,464.08 is: 16,780,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,590.48 : 29,432,273.90 = 12,159,464.08 : x
  2. Step 2: Convert to fraction form
    21,326,590.48/29,432,273.90 = 12,159,464.08/x
  3. Step 3: Cross multiply
    21,326,590.48x = 29,432,273.90 × 12,159,464.08
  4. Step 4: Simplify right side
    21,326,590.48x = 357,880,677,279,771.50
  5. Step 5: Solve for x
    x = 357,880,677,279,771.50/21,326,590.48
  6. Step 6: Final answer
    x = 16,780,960.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.