Home / 38,779,688.67-58,182,813.56-13,238,634.21

Finding the Fourth Proportional to 38,779,688.67, 58,182,813.56 and 13,238,634.21

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Solution

The fourth proportional to 38,779,688.67, 58,182,813.56 and 13,238,634.21 is: 19,862,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779,688.67 : 58,182,813.56 = 13,238,634.21 : x
  2. Step 2: Convert to fraction form
    38,779,688.67/58,182,813.56 = 13,238,634.21/x
  3. Step 3: Cross multiply
    38,779,688.67x = 58,182,813.56 × 13,238,634.21
  4. Step 4: Simplify right side
    38,779,688.67x = 770,260,986,062,564.50
  5. Step 5: Solve for x
    x = 770,260,986,062,564.50/38,779,688.67
  6. Step 6: Final answer
    x = 19,862,485.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.