Home / 7,790,017.80-11,685,026.70-4,430,785.80

Finding the Fourth Proportional to 7,790,017.80, 11,685,026.70 and 4,430,785.80

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Solution

The fourth proportional to 7,790,017.80, 11,685,026.70 and 4,430,785.80 is: 6,646,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,017.80 : 11,685,026.70 = 4,430,785.80 : x
  2. Step 2: Convert to fraction form
    7,790,017.80/11,685,026.70 = 4,430,785.80/x
  3. Step 3: Cross multiply
    7,790,017.80x = 11,685,026.70 × 4,430,785.80
  4. Step 4: Simplify right side
    7,790,017.80x = 51,773,850,374,980.85
  5. Step 5: Solve for x
    x = 51,773,850,374,980.85/7,790,017.80
  6. Step 6: Final answer
    x = 6,646,178.70

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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.