Home / 12,854,400.88-17,739,628.64-7,696,777.68

Finding the Fourth Proportional to 12,854,400.88, 17,739,628.64 and 7,696,777.68

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Solution

The fourth proportional to 12,854,400.88, 17,739,628.64 and 7,696,777.68 is: 10,621,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,400.88 : 17,739,628.64 = 7,696,777.68 : x
  2. Step 2: Convert to fraction form
    12,854,400.88/17,739,628.64 = 7,696,777.68/x
  3. Step 3: Cross multiply
    12,854,400.88x = 17,739,628.64 × 7,696,777.68
  4. Step 4: Simplify right side
    12,854,400.88x = 136,537,977,767,840.75
  5. Step 5: Solve for x
    x = 136,537,977,767,840.75/12,854,400.88
  6. Step 6: Final answer
    x = 10,621,885.77

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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.