Home / 40,066,607.88-60,100,947-10,920,686.49

Finding the Fourth Proportional to 40,066,607.88, 60,100,947 and 10,920,686.49

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Solution

The fourth proportional to 40,066,607.88, 60,100,947 and 10,920,686.49 is: 16,381,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066,607.88 : 60,100,947 = 10,920,686.49 : x
  2. Step 2: Convert to fraction form
    40,066,607.88/60,100,947 = 10,920,686.49/x
  3. Step 3: Cross multiply
    40,066,607.88x = 60,100,947 × 10,920,686.49
  4. Step 4: Simplify right side
    40,066,607.88x = 656,343,599,939,106
  5. Step 5: Solve for x
    x = 656,343,599,939,106/40,066,607.88
  6. Step 6: Final answer
    x = 16,381,311.89

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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.