Home / 7,775,409.18-11,663,064.54-2,655,368.76

Finding the Fourth Proportional to 7,775,409.18, 11,663,064.54 and 2,655,368.76

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Solution

The fourth proportional to 7,775,409.18, 11,663,064.54 and 2,655,368.76 is: 3,983,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,409.18 : 11,663,064.54 = 2,655,368.76 : x
  2. Step 2: Convert to fraction form
    7,775,409.18/11,663,064.54 = 2,655,368.76/x
  3. Step 3: Cross multiply
    7,775,409.18x = 11,663,064.54 × 2,655,368.76
  4. Step 4: Simplify right side
    7,775,409.18x = 30,969,737,225,379.77
  5. Step 5: Solve for x
    x = 30,969,737,225,379.77/7,775,409.18
  6. Step 6: Final answer
    x = 3,983,036.33

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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.