Home / 38,690,670.96-53,393,549.16-21,049,673.67

Finding the Fourth Proportional to 38,690,670.96, 53,393,549.16 and 21,049,673.67

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Solution

The fourth proportional to 38,690,670.96, 53,393,549.16 and 21,049,673.67 is: 29,048,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690,670.96 : 53,393,549.16 = 21,049,673.67 : x
  2. Step 2: Convert to fraction form
    38,690,670.96/53,393,549.16 = 21,049,673.67/x
  3. Step 3: Cross multiply
    38,690,670.96x = 53,393,549.16 × 21,049,673.67
  4. Step 4: Simplify right side
    38,690,670.96x = 1,123,916,785,901,102.62
  5. Step 5: Solve for x
    x = 1,123,916,785,901,102.62/38,690,670.96
  6. Step 6: Final answer
    x = 29,048,779.93

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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.