Home / 12,137,486.81-16,750,060.52-7,245,548.16

Finding the Fourth Proportional to 12,137,486.81, 16,750,060.52 and 7,245,548.16

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Solution

The fourth proportional to 12,137,486.81, 16,750,060.52 and 7,245,548.16 is: 9,999,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,486.81 : 16,750,060.52 = 7,245,548.16 : x
  2. Step 2: Convert to fraction form
    12,137,486.81/16,750,060.52 = 7,245,548.16/x
  3. Step 3: Cross multiply
    12,137,486.81x = 16,750,060.52 × 7,245,548.16
  4. Step 4: Simplify right side
    12,137,486.81x = 121,363,370,144,346.91
  5. Step 5: Solve for x
    x = 121,363,370,144,346.91/12,137,486.81
  6. Step 6: Final answer
    x = 9,999,052.69

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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.