Home / 38,670,460.81-53,364,170.72-21,266,804.15

Finding the Fourth Proportional to 38,670,460.81, 53,364,170.72 and 21,266,804.15

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Solution

The fourth proportional to 38,670,460.81, 53,364,170.72 and 21,266,804.15 is: 29,347,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,460.81 : 53,364,170.72 = 21,266,804.15 : x
  2. Step 2: Convert to fraction form
    38,670,460.81/53,364,170.72 = 21,266,804.15/x
  3. Step 3: Cross multiply
    38,670,460.81x = 53,364,170.72 × 21,266,804.15
  4. Step 4: Simplify right side
    38,670,460.81x = 1,134,885,366,956,249.75
  5. Step 5: Solve for x
    x = 1,134,885,366,956,249.75/38,670,460.81
  6. Step 6: Final answer
    x = 29,347,603.92

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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.