Home / 13,014,553.80-19,521,830.70-6,637,261.80

Finding the Fourth Proportional to 13,014,553.80, 19,521,830.70 and 6,637,261.80

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Solution

The fourth proportional to 13,014,553.80, 19,521,830.70 and 6,637,261.80 is: 9,955,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,553.80 : 19,521,830.70 = 6,637,261.80 : x
  2. Step 2: Convert to fraction form
    13,014,553.80/19,521,830.70 = 6,637,261.80/x
  3. Step 3: Cross multiply
    13,014,553.80x = 19,521,830.70 × 6,637,261.80
  4. Step 4: Simplify right side
    13,014,553.80x = 129,571,501,171,177.25
  5. Step 5: Solve for x
    x = 129,571,501,171,177.25/13,014,553.80
  6. Step 6: Final answer
    x = 9,955,892.70

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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.