Home / 42,768,021.20-64,152,031.80-14,015,094.80

Finding the Fourth Proportional to 42,768,021.20, 64,152,031.80 and 14,015,094.80

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Solution

The fourth proportional to 42,768,021.20, 64,152,031.80 and 14,015,094.80 is: 21,022,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,021.20 : 64,152,031.80 = 14,015,094.80 : x
  2. Step 2: Convert to fraction form
    42,768,021.20/64,152,031.80 = 14,015,094.80/x
  3. Step 3: Cross multiply
    42,768,021.20x = 64,152,031.80 × 14,015,094.80
  4. Step 4: Simplify right side
    42,768,021.20x = 899,096,807,289,614.62
  5. Step 5: Solve for x
    x = 899,096,807,289,614.62/42,768,021.20
  6. Step 6: Final answer
    x = 21,022,642.20

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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.