Home / 9,069,176.72-12,500,876.94-6,128,075.64

Finding the Fourth Proportional to 9,069,176.72, 12,500,876.94 and 6,128,075.64

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Solution

The fourth proportional to 9,069,176.72, 12,500,876.94 and 6,128,075.64 is: 8,446,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,176.72 : 12,500,876.94 = 6,128,075.64 : x
  2. Step 2: Convert to fraction form
    9,069,176.72/12,500,876.94 = 6,128,075.64/x
  3. Step 3: Cross multiply
    9,069,176.72x = 12,500,876.94 × 6,128,075.64
  4. Step 4: Simplify right side
    9,069,176.72x = 76,606,319,454,651.73
  5. Step 5: Solve for x
    x = 76,606,319,454,651.73/9,069,176.72
  6. Step 6: Final answer
    x = 8,446,887.94

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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.