Home / 26,316,065.80-39,474,098.70-12,879,137.80

Finding the Fourth Proportional to 26,316,065.80, 39,474,098.70 and 12,879,137.80

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Solution

The fourth proportional to 26,316,065.80, 39,474,098.70 and 12,879,137.80 is: 19,318,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316,065.80 : 39,474,098.70 = 12,879,137.80 : x
  2. Step 2: Convert to fraction form
    26,316,065.80/39,474,098.70 = 12,879,137.80/x
  3. Step 3: Cross multiply
    26,316,065.80x = 39,474,098.70 × 12,879,137.80
  4. Step 4: Simplify right side
    26,316,065.80x = 508,392,356,688,100.94
  5. Step 5: Solve for x
    x = 508,392,356,688,100.94/26,316,065.80
  6. Step 6: Final answer
    x = 19,318,706.70

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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.