Home / 12,961,875.58-17,887,899.93-7,455,241.64

Finding the Fourth Proportional to 12,961,875.58, 17,887,899.93 and 7,455,241.64

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Solution

The fourth proportional to 12,961,875.58, 17,887,899.93 and 7,455,241.64 is: 10,288,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,875.58 : 17,887,899.93 = 7,455,241.64 : x
  2. Step 2: Convert to fraction form
    12,961,875.58/17,887,899.93 = 7,455,241.64/x
  3. Step 3: Cross multiply
    12,961,875.58x = 17,887,899.93 × 7,455,241.64
  4. Step 4: Simplify right side
    12,961,875.58x = 133,358,616,410,289.08
  5. Step 5: Solve for x
    x = 133,358,616,410,289.08/12,961,875.58
  6. Step 6: Final answer
    x = 10,288,527.74

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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.