Home / 38,453,533.07-53,065,871.70-21,049,890.08

Finding the Fourth Proportional to 38,453,533.07, 53,065,871.70 and 21,049,890.08

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Solution

The fourth proportional to 38,453,533.07, 53,065,871.70 and 21,049,890.08 is: 29,048,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453,533.07 : 53,065,871.70 = 21,049,890.08 : x
  2. Step 2: Convert to fraction form
    38,453,533.07/53,065,871.70 = 21,049,890.08/x
  3. Step 3: Cross multiply
    38,453,533.07x = 53,065,871.70 × 21,049,890.08
  4. Step 4: Simplify right side
    38,453,533.07x = 1,117,030,766,284,382.75
  5. Step 5: Solve for x
    x = 1,117,030,766,284,382.75/38,453,533.07
  6. Step 6: Final answer
    x = 29,048,846.16

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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.