Home / 8,916,719.58-12,305,074.77-5,432,057.28

Finding the Fourth Proportional to 8,916,719.58, 12,305,074.77 and 5,432,057.28

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Solution

The fourth proportional to 8,916,719.58, 12,305,074.77 and 5,432,057.28 is: 7,496,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,719.58 : 12,305,074.77 = 5,432,057.28 : x
  2. Step 2: Convert to fraction form
    8,916,719.58/12,305,074.77 = 5,432,057.28/x
  3. Step 3: Cross multiply
    8,916,719.58x = 12,305,074.77 × 5,432,057.28
  4. Step 4: Simplify right side
    8,916,719.58x = 66,841,870,985,322.83
  5. Step 5: Solve for x
    x = 66,841,870,985,322.83/8,916,719.58
  6. Step 6: Final answer
    x = 7,496,240.11

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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.