Home / 15,769,621.25-21,771,928.74-12,091,468.16

Finding the Fourth Proportional to 15,769,621.25, 21,771,928.74 and 12,091,468.16

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Solution

The fourth proportional to 15,769,621.25, 21,771,928.74 and 12,091,468.16 is: 16,693,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,621.25 : 21,771,928.74 = 12,091,468.16 : x
  2. Step 2: Convert to fraction form
    15,769,621.25/21,771,928.74 = 12,091,468.16/x
  3. Step 3: Cross multiply
    15,769,621.25x = 21,771,928.74 × 12,091,468.16
  4. Step 4: Simplify right side
    15,769,621.25x = 263,254,583,032,639.25
  5. Step 5: Solve for x
    x = 263,254,583,032,639.25/15,769,621.25
  6. Step 6: Final answer
    x = 16,693,779.70

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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.