Home / 15,725,960.20-21,708,520.80-10,572,311.02

Finding the Fourth Proportional to 15,725,960.20, 21,708,520.80 and 10,572,311.02

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Solution

The fourth proportional to 15,725,960.20, 21,708,520.80 and 10,572,311.02 is: 14,594,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,960.20 : 21,708,520.80 = 10,572,311.02 : x
  2. Step 2: Convert to fraction form
    15,725,960.20/21,708,520.80 = 10,572,311.02/x
  3. Step 3: Cross multiply
    15,725,960.20x = 21,708,520.80 × 10,572,311.02
  4. Step 4: Simplify right side
    15,725,960.20x = 229,509,233,681,739.22
  5. Step 5: Solve for x
    x = 229,509,233,681,739.22/15,725,960.20
  6. Step 6: Final answer
    x = 14,594,290.64

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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.