Home / 12,997,643.40-17,937,308.31-7,196,424.96

Finding the Fourth Proportional to 12,997,643.40, 17,937,308.31 and 7,196,424.96

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Solution

The fourth proportional to 12,997,643.40, 17,937,308.31 and 7,196,424.96 is: 9,931,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,643.40 : 17,937,308.31 = 7,196,424.96 : x
  2. Step 2: Convert to fraction form
    12,997,643.40/17,937,308.31 = 7,196,424.96/x
  3. Step 3: Cross multiply
    12,997,643.40x = 17,937,308.31 × 7,196,424.96
  4. Step 4: Simplify right side
    12,997,643.40x = 129,084,493,237,299.41
  5. Step 5: Solve for x
    x = 129,084,493,237,299.41/12,997,643.40
  6. Step 6: Final answer
    x = 9,931,376.73

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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.