Home / 7,698,980.84-11,543,222.46-3,905,148.20

Finding the Fourth Proportional to 7,698,980.84, 11,543,222.46 and 3,905,148.20

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Solution

The fourth proportional to 7,698,980.84, 11,543,222.46 and 3,905,148.20 is: 5,855,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698,980.84 : 11,543,222.46 = 3,905,148.20 : x
  2. Step 2: Convert to fraction form
    7,698,980.84/11,543,222.46 = 3,905,148.20/x
  3. Step 3: Cross multiply
    7,698,980.84x = 11,543,222.46 × 3,905,148.20
  4. Step 4: Simplify right side
    7,698,980.84x = 45,077,994,411,868.58
  5. Step 5: Solve for x
    x = 45,077,994,411,868.58/7,698,980.84
  6. Step 6: Final answer
    x = 5,855,059.96

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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.