Home / 8,699,792.22-12,005,720.64-4,779,555.91

Finding the Fourth Proportional to 8,699,792.22, 12,005,720.64 and 4,779,555.91

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Solution

The fourth proportional to 8,699,792.22, 12,005,720.64 and 4,779,555.91 is: 6,595,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699,792.22 : 12,005,720.64 = 4,779,555.91 : x
  2. Step 2: Convert to fraction form
    8,699,792.22/12,005,720.64 = 4,779,555.91/x
  3. Step 3: Cross multiply
    8,699,792.22x = 12,005,720.64 × 4,779,555.91
  4. Step 4: Simplify right side
    8,699,792.22x = 57,382,013,056,073.91
  5. Step 5: Solve for x
    x = 57,382,013,056,073.91/8,699,792.22
  6. Step 6: Final answer
    x = 6,595,791.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.