Home / 47,827,009.68-65,984,820.64-28,994,665.20

Finding the Fourth Proportional to 47,827,009.68, 65,984,820.64 and 28,994,665.20

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Solution

The fourth proportional to 47,827,009.68, 65,984,820.64 and 28,994,665.20 is: 40,002,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,827,009.68 : 65,984,820.64 = 28,994,665.20 : x
  2. Step 2: Convert to fraction form
    47,827,009.68/65,984,820.64 = 28,994,665.20/x
  3. Step 3: Cross multiply
    47,827,009.68x = 65,984,820.64 × 28,994,665.20
  4. Step 4: Simplify right side
    47,827,009.68x = 1,913,207,782,738,849.75
  5. Step 5: Solve for x
    x = 1,913,207,782,738,849.75/47,827,009.68
  6. Step 6: Final answer
    x = 40,002,663.67

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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.