Home / 15,562,381.48-21,477,907.98-12,944,266.52

Finding the Fourth Proportional to 15,562,381.48, 21,477,907.98 and 12,944,266.52

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Solution

The fourth proportional to 15,562,381.48, 21,477,907.98 and 12,944,266.52 is: 17,864,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,381.48 : 21,477,907.98 = 12,944,266.52 : x
  2. Step 2: Convert to fraction form
    15,562,381.48/21,477,907.98 = 12,944,266.52/x
  3. Step 3: Cross multiply
    15,562,381.48x = 21,477,907.98 × 12,944,266.52
  4. Step 4: Simplify right side
    15,562,381.48x = 278,015,765,077,765.31
  5. Step 5: Solve for x
    x = 278,015,765,077,765.31/15,562,381.48
  6. Step 6: Final answer
    x = 17,864,602.89

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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.