Home / 10,874,048.40-16,316,321.40-7,672,280.40

Finding the Fourth Proportional to 10,874,048.40, 16,316,321.40 and 7,672,280.40

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Solution

The fourth proportional to 10,874,048.40, 16,316,321.40 and 7,672,280.40 is: 11,512,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874,048.40 : 16,316,321.40 = 7,672,280.40 : x
  2. Step 2: Convert to fraction form
    10,874,048.40/16,316,321.40 = 7,672,280.40/x
  3. Step 3: Cross multiply
    10,874,048.40x = 16,316,321.40 × 7,672,280.40
  4. Step 4: Simplify right side
    10,874,048.40x = 125,183,392,877,320.56
  5. Step 5: Solve for x
    x = 125,183,392,877,320.56/10,874,048.40
  6. Step 6: Final answer
    x = 11,512,123.94

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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.