Home / 8,618,720.61-11,893,870.45-4,751,156.91

Finding the Fourth Proportional to 8,618,720.61, 11,893,870.45 and 4,751,156.91

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Solution

The fourth proportional to 8,618,720.61, 11,893,870.45 and 4,751,156.91 is: 6,556,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,720.61 : 11,893,870.45 = 4,751,156.91 : x
  2. Step 2: Convert to fraction form
    8,618,720.61/11,893,870.45 = 4,751,156.91/x
  3. Step 3: Cross multiply
    8,618,720.61x = 11,893,870.45 × 4,751,156.91
  4. Step 4: Simplify right side
    8,618,720.61x = 56,509,644,703,815.07
  5. Step 5: Solve for x
    x = 56,509,644,703,815.07/8,618,720.61
  6. Step 6: Final answer
    x = 6,556,616.38

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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.