Home / 12,539,372.94-17,296,985.84-7,885,776.74

Finding the Fourth Proportional to 12,539,372.94, 17,296,985.84 and 7,885,776.74

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Solution

The fourth proportional to 12,539,372.94, 17,296,985.84 and 7,885,776.74 is: 10,877,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,372.94 : 17,296,985.84 = 7,885,776.74 : x
  2. Step 2: Convert to fraction form
    12,539,372.94/17,296,985.84 = 7,885,776.74/x
  3. Step 3: Cross multiply
    12,539,372.94x = 17,296,985.84 × 7,885,776.74
  4. Step 4: Simplify right side
    12,539,372.94x = 136,400,168,483,267.56
  5. Step 5: Solve for x
    x = 136,400,168,483,267.56/12,539,372.94
  6. Step 6: Final answer
    x = 10,877,750.36

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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.