Home / 14,570,204.64-20,109,515.04-8,690,216.16

Finding the Fourth Proportional to 14,570,204.64, 20,109,515.04 and 8,690,216.16

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Solution

The fourth proportional to 14,570,204.64, 20,109,515.04 and 8,690,216.16 is: 11,994,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,204.64 : 20,109,515.04 = 8,690,216.16 : x
  2. Step 2: Convert to fraction form
    14,570,204.64/20,109,515.04 = 8,690,216.16/x
  3. Step 3: Cross multiply
    14,570,204.64x = 20,109,515.04 × 8,690,216.16
  4. Step 4: Simplify right side
    14,570,204.64x = 174,756,032,570,371.03
  5. Step 5: Solve for x
    x = 174,756,032,570,371.03/14,570,204.64
  6. Step 6: Final answer
    x = 11,994,068.50

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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.