Home / 28,708,153.46-39,617,314.44-16,318,322.79

Finding the Fourth Proportional to 28,708,153.46, 39,617,314.44 and 16,318,322.79

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Solution

The fourth proportional to 28,708,153.46, 39,617,314.44 and 16,318,322.79 is: 22,519,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708,153.46 : 39,617,314.44 = 16,318,322.79 : x
  2. Step 2: Convert to fraction form
    28,708,153.46/39,617,314.44 = 16,318,322.79/x
  3. Step 3: Cross multiply
    28,708,153.46x = 39,617,314.44 × 16,318,322.79
  4. Step 4: Simplify right side
    28,708,153.46x = 646,488,124,895,089.50
  5. Step 5: Solve for x
    x = 646,488,124,895,089.50/28,708,153.46
  6. Step 6: Final answer
    x = 22,519,321.06

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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.