Home / 38,811,118.72-53,558,405.44-21,407,090.28

Finding the Fourth Proportional to 38,811,118.72, 53,558,405.44 and 21,407,090.28

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Solution

The fourth proportional to 38,811,118.72, 53,558,405.44 and 21,407,090.28 is: 29,541,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811,118.72 : 53,558,405.44 = 21,407,090.28 : x
  2. Step 2: Convert to fraction form
    38,811,118.72/53,558,405.44 = 21,407,090.28/x
  3. Step 3: Cross multiply
    38,811,118.72x = 53,558,405.44 × 21,407,090.28
  4. Step 4: Simplify right side
    38,811,118.72x = 1,146,529,620,506,923.25
  5. Step 5: Solve for x
    x = 1,146,529,620,506,923.25/38,811,118.72
  6. Step 6: Final answer
    x = 29,541,267.00

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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.