Home / 10,894,537.80-16,299,816.30-7,115,401.80

Finding the Fourth Proportional to 10,894,537.80, 16,299,816.30 and 7,115,401.80

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Solution

The fourth proportional to 10,894,537.80, 16,299,816.30 and 7,115,401.80 is: 10,645,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,537.80 : 16,299,816.30 = 7,115,401.80 : x
  2. Step 2: Convert to fraction form
    10,894,537.80/16,299,816.30 = 7,115,401.80/x
  3. Step 3: Cross multiply
    10,894,537.80x = 16,299,816.30 × 7,115,401.80
  4. Step 4: Simplify right side
    10,894,537.80x = 115,979,742,240,689.34
  5. Step 5: Solve for x
    x = 115,979,742,240,689.34/10,894,537.80
  6. Step 6: Final answer
    x = 10,645,678.08

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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.