Home / 12,563,360.84-18,828,748.56-5,641,729.32

Finding the Fourth Proportional to 12,563,360.84, 18,828,748.56 and 5,641,729.32

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Solution

The fourth proportional to 12,563,360.84, 18,828,748.56 and 5,641,729.32 is: 8,455,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,360.84 : 18,828,748.56 = 5,641,729.32 : x
  2. Step 2: Convert to fraction form
    12,563,360.84/18,828,748.56 = 5,641,729.32/x
  3. Step 3: Cross multiply
    12,563,360.84x = 18,828,748.56 × 5,641,729.32
  4. Step 4: Simplify right side
    12,563,360.84x = 106,226,702,809,859.78
  5. Step 5: Solve for x
    x = 106,226,702,809,859.78/12,563,360.84
  6. Step 6: Final answer
    x = 8,455,277.55

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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.