Home / 8,378,140.46-12,567,211.40-2,698,364.77

Finding the Fourth Proportional to 8,378,140.46, 12,567,211.40 and 2,698,364.77

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Solution

The fourth proportional to 8,378,140.46, 12,567,211.40 and 2,698,364.77 is: 4,047,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,140.46 : 12,567,211.40 = 2,698,364.77 : x
  2. Step 2: Convert to fraction form
    8,378,140.46/12,567,211.40 = 2,698,364.77/x
  3. Step 3: Cross multiply
    8,378,140.46x = 12,567,211.40 × 2,698,364.77
  4. Step 4: Simplify right side
    8,378,140.46x = 33,910,920,474,230.26
  5. Step 5: Solve for x
    x = 33,910,920,474,230.26/8,378,140.46
  6. Step 6: Final answer
    x = 4,047,547.38

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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.