Home / 19,232,907.43-28,803,563.74-11,128,803.97

Finding the Fourth Proportional to 19,232,907.43, 28,803,563.74 and 11,128,803.97

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Solution

The fourth proportional to 19,232,907.43, 28,803,563.74 and 11,128,803.97 is: 16,666,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,907.43 : 28,803,563.74 = 11,128,803.97 : x
  2. Step 2: Convert to fraction form
    19,232,907.43/28,803,563.74 = 11,128,803.97/x
  3. Step 3: Cross multiply
    19,232,907.43x = 28,803,563.74 × 11,128,803.97
  4. Step 4: Simplify right side
    19,232,907.43x = 320,549,214,499,860.06
  5. Step 5: Solve for x
    x = 320,549,214,499,860.06/19,232,907.43
  6. Step 6: Final answer
    x = 16,666,706.04

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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.