Home / 38,762,778.40-58,152,040.80-13,206,371.20

Finding the Fourth Proportional to 38,762,778.40, 58,152,040.80 and 13,206,371.20

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Solution

The fourth proportional to 38,762,778.40, 58,152,040.80 and 13,206,371.20 is: 19,812,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762,778.40 : 58,152,040.80 = 13,206,371.20 : x
  2. Step 2: Convert to fraction form
    38,762,778.40/58,152,040.80 = 13,206,371.20/x
  3. Step 3: Cross multiply
    38,762,778.40x = 58,152,040.80 × 13,206,371.20
  4. Step 4: Simplify right side
    38,762,778.40x = 767,977,436,842,344.88
  5. Step 5: Solve for x
    x = 767,977,436,842,344.88/38,762,778.40
  6. Step 6: Final answer
    x = 19,812,239.18

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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.