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Finding the Fourth Proportional to 13,300,463.88, 19,934,521.07 and 9,411,041.60

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Solution

The fourth proportional to 13,300,463.88, 19,934,521.07 and 9,411,041.60 is: 14,105,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,463.88 : 19,934,521.07 = 9,411,041.60 : x
  2. Step 2: Convert to fraction form
    13,300,463.88/19,934,521.07 = 9,411,041.60/x
  3. Step 3: Cross multiply
    13,300,463.88x = 19,934,521.07 × 9,411,041.60
  4. Step 4: Simplify right side
    13,300,463.88x = 187,604,606,919,118.72
  5. Step 5: Solve for x
    x = 187,604,606,919,118.72/13,300,463.88
  6. Step 6: Final answer
    x = 14,105,117.58

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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.