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Finding the Fourth Proportional to 24,984,967.80, 37,477,451.70 and 12,213,665.40

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Solution

The fourth proportional to 24,984,967.80, 37,477,451.70 and 12,213,665.40 is: 18,320,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,984,967.80 : 37,477,451.70 = 12,213,665.40 : x
  2. Step 2: Convert to fraction form
    24,984,967.80/37,477,451.70 = 12,213,665.40/x
  3. Step 3: Cross multiply
    24,984,967.80x = 37,477,451.70 × 12,213,665.40
  4. Step 4: Simplify right side
    24,984,967.80x = 457,737,055,108,461.25
  5. Step 5: Solve for x
    x = 457,737,055,108,461.25/24,984,967.80
  6. Step 6: Final answer
    x = 18,320,498.10

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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.