Home / 12,313,972.49-18,473,968.89-8,677,795.01

Finding the Fourth Proportional to 12,313,972.49, 18,473,968.89 and 8,677,795.01

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Solution

The fourth proportional to 12,313,972.49, 18,473,968.89 and 8,677,795.01 is: 13,018,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,972.49 : 18,473,968.89 = 8,677,795.01 : x
  2. Step 2: Convert to fraction form
    12,313,972.49/18,473,968.89 = 8,677,795.01/x
  3. Step 3: Cross multiply
    12,313,972.49x = 18,473,968.89 × 8,677,795.01
  4. Step 4: Simplify right side
    12,313,972.49x = 160,313,314,956,167.41
  5. Step 5: Solve for x
    x = 160,313,314,956,167.41/12,313,972.49
  6. Step 6: Final answer
    x = 13,018,813.80

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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.