Home / 18,187,675.04-25,056,356.86-12,671,071.50

Finding the Fourth Proportional to 18,187,675.04, 25,056,356.86 and 12,671,071.50

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Solution

The fourth proportional to 18,187,675.04, 25,056,356.86 and 12,671,071.50 is: 17,456,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,675.04 : 25,056,356.86 = 12,671,071.50 : x
  2. Step 2: Convert to fraction form
    18,187,675.04/25,056,356.86 = 12,671,071.50/x
  3. Step 3: Cross multiply
    18,187,675.04x = 25,056,356.86 × 12,671,071.50
  4. Step 4: Simplify right side
    18,187,675.04x = 317,490,889,302,575.50
  5. Step 5: Solve for x
    x = 317,490,889,302,575.50/18,187,675.04
  6. Step 6: Final answer
    x = 17,456,375.74

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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.