Home / 10,742,939.25-16,114,853.57-3,169,905

Finding the Fourth Proportional to 10,742,939.25, 16,114,853.57 and 3,169,905

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Solution

The fourth proportional to 10,742,939.25, 16,114,853.57 and 3,169,905 is: 4,754,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742,939.25 : 16,114,853.57 = 3,169,905 : x
  2. Step 2: Convert to fraction form
    10,742,939.25/16,114,853.57 = 3,169,905/x
  3. Step 3: Cross multiply
    10,742,939.25x = 16,114,853.57 × 3,169,905
  4. Step 4: Simplify right side
    10,742,939.25x = 51,082,554,905,810.85
  5. Step 5: Solve for x
    x = 51,082,554,905,810.85/10,742,939.25
  6. Step 6: Final answer
    x = 4,754,988.72

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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.