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Finding the Fourth Proportional to 15,698,973.80, 23,548,460.70 and 14,753,412.20

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Solution

The fourth proportional to 15,698,973.80, 23,548,460.70 and 14,753,412.20 is: 22,130,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698,973.80 : 23,548,460.70 = 14,753,412.20 : x
  2. Step 2: Convert to fraction form
    15,698,973.80/23,548,460.70 = 14,753,412.20/x
  3. Step 3: Cross multiply
    15,698,973.80x = 23,548,460.70 × 14,753,412.20
  4. Step 4: Simplify right side
    15,698,973.80x = 347,420,147,382,600.50
  5. Step 5: Solve for x
    x = 347,420,147,382,600.50/15,698,973.80
  6. Step 6: Final answer
    x = 22,130,118.30

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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.