Home / 8,400,176.88-12,610,899.45-5,153,736.66

Finding the Fourth Proportional to 8,400,176.88, 12,610,899.45 and 5,153,736.66

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Solution

The fourth proportional to 8,400,176.88, 12,610,899.45 and 5,153,736.66 is: 7,737,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,176.88 : 12,610,899.45 = 5,153,736.66 : x
  2. Step 2: Convert to fraction form
    8,400,176.88/12,610,899.45 = 5,153,736.66/x
  3. Step 3: Cross multiply
    8,400,176.88x = 12,610,899.45 × 5,153,736.66
  4. Step 4: Simplify right side
    8,400,176.88x = 64,993,254,811,038.84
  5. Step 5: Solve for x
    x = 64,993,254,811,038.84/8,400,176.88
  6. Step 6: Final answer
    x = 7,737,129.32

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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.