Home / 38,763,131.55-53,494,262.63-21,360,597.80

Finding the Fourth Proportional to 38,763,131.55, 53,494,262.63 and 21,360,597.80

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Solution

The fourth proportional to 38,763,131.55, 53,494,262.63 and 21,360,597.80 is: 29,478,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,131.55 : 53,494,262.63 = 21,360,597.80 : x
  2. Step 2: Convert to fraction form
    38,763,131.55/53,494,262.63 = 21,360,597.80/x
  3. Step 3: Cross multiply
    38,763,131.55x = 53,494,262.63 × 21,360,597.80
  4. Step 4: Simplify right side
    38,763,131.55x = 1,142,669,428,272,726
  5. Step 5: Solve for x
    x = 1,142,669,428,272,726/38,763,131.55
  6. Step 6: Final answer
    x = 29,478,253.76

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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.