Home / 20,045,401.50-27,662,672.16-10,878,044.34

Finding the Fourth Proportional to 20,045,401.50, 27,662,672.16 and 10,878,044.34

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Solution

The fourth proportional to 20,045,401.50, 27,662,672.16 and 10,878,044.34 is: 15,011,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,401.50 : 27,662,672.16 = 10,878,044.34 : x
  2. Step 2: Convert to fraction form
    20,045,401.50/27,662,672.16 = 10,878,044.34/x
  3. Step 3: Cross multiply
    20,045,401.50x = 27,662,672.16 × 10,878,044.34
  4. Step 4: Simplify right side
    20,045,401.50x = 300,915,774,319,363.56
  5. Step 5: Solve for x
    x = 300,915,774,319,363.56/20,045,401.50
  6. Step 6: Final answer
    x = 15,011,711.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.