Home / 7,185,186.88-10,779,802.08-3,142,029.76

Finding the Fourth Proportional to 7,185,186.88, 10,779,802.08 and 3,142,029.76

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Solution

The fourth proportional to 7,185,186.88, 10,779,802.08 and 3,142,029.76 is: 4,713,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,186.88 : 10,779,802.08 = 3,142,029.76 : x
  2. Step 2: Convert to fraction form
    7,185,186.88/10,779,802.08 = 3,142,029.76/x
  3. Step 3: Cross multiply
    7,185,186.88x = 10,779,802.08 × 3,142,029.76
  4. Step 4: Simplify right side
    7,185,186.88x = 33,870,458,942,269.90
  5. Step 5: Solve for x
    x = 33,870,458,942,269.90/7,185,186.88
  6. Step 6: Final answer
    x = 4,713,928.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.