Home / 39,124,455.60-58,686,683.40-18,931,738.80

Finding the Fourth Proportional to 39,124,455.60, 58,686,683.40 and 18,931,738.80

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Solution

The fourth proportional to 39,124,455.60, 58,686,683.40 and 18,931,738.80 is: 28,397,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124,455.60 : 58,686,683.40 = 18,931,738.80 : x
  2. Step 2: Convert to fraction form
    39,124,455.60/58,686,683.40 = 18,931,738.80/x
  3. Step 3: Cross multiply
    39,124,455.60x = 58,686,683.40 × 18,931,738.80
  4. Step 4: Simplify right side
    39,124,455.60x = 1,111,040,961,167,095.88
  5. Step 5: Solve for x
    x = 1,111,040,961,167,095.88/39,124,455.60
  6. Step 6: Final answer
    x = 28,397,608.20

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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.