Home / 11,937,916.80-17,868,772.80-9,418,492.80

Finding the Fourth Proportional to 11,937,916.80, 17,868,772.80 and 9,418,492.80

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Solution

The fourth proportional to 11,937,916.80, 17,868,772.80 and 9,418,492.80 is: 14,097,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937,916.80 : 17,868,772.80 = 9,418,492.80 : x
  2. Step 2: Convert to fraction form
    11,937,916.80/17,868,772.80 = 9,418,492.80/x
  3. Step 3: Cross multiply
    11,937,916.80x = 17,868,772.80 × 9,418,492.80
  4. Step 4: Simplify right side
    11,937,916.80x = 168,296,907,961,635.88
  5. Step 5: Solve for x
    x = 168,296,907,961,635.88/11,937,916.80
  6. Step 6: Final answer
    x = 14,097,678.08

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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.