Home / 27,295,812.70-40,943,719.05-12,946,905.70

Finding the Fourth Proportional to 27,295,812.70, 40,943,719.05 and 12,946,905.70

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Solution

The fourth proportional to 27,295,812.70, 40,943,719.05 and 12,946,905.70 is: 19,420,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,295,812.70 : 40,943,719.05 = 12,946,905.70 : x
  2. Step 2: Convert to fraction form
    27,295,812.70/40,943,719.05 = 12,946,905.70/x
  3. Step 3: Cross multiply
    27,295,812.70x = 40,943,719.05 × 12,946,905.70
  4. Step 4: Simplify right side
    27,295,812.70x = 530,094,469,547,643.50
  5. Step 5: Solve for x
    x = 530,094,469,547,643.50/27,295,812.70
  6. Step 6: Final answer
    x = 19,420,358.55

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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.