Home / 35,457,693.60-48,923,283.24-21,518,739.78

Finding the Fourth Proportional to 35,457,693.60, 48,923,283.24 and 21,518,739.78

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Solution

The fourth proportional to 35,457,693.60, 48,923,283.24 and 21,518,739.78 is: 29,690,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457,693.60 : 48,923,283.24 = 21,518,739.78 : x
  2. Step 2: Convert to fraction form
    35,457,693.60/48,923,283.24 = 21,518,739.78/x
  3. Step 3: Cross multiply
    35,457,693.60x = 48,923,283.24 × 21,518,739.78
  4. Step 4: Simplify right side
    35,457,693.60x = 1,052,767,401,224,795.38
  5. Step 5: Solve for x
    x = 1,052,767,401,224,795.38/35,457,693.60
  6. Step 6: Final answer
    x = 29,690,803.16

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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.