Home / 39,179,215.60-58,768,823.40-21,263,311.60

Finding the Fourth Proportional to 39,179,215.60, 58,768,823.40 and 21,263,311.60

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Solution

The fourth proportional to 39,179,215.60, 58,768,823.40 and 21,263,311.60 is: 31,894,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179,215.60 : 58,768,823.40 = 21,263,311.60 : x
  2. Step 2: Convert to fraction form
    39,179,215.60/58,768,823.40 = 21,263,311.60/x
  3. Step 3: Cross multiply
    39,179,215.60x = 58,768,823.40 × 21,263,311.60
  4. Step 4: Simplify right side
    39,179,215.60x = 1,249,619,804,319,571.50
  5. Step 5: Solve for x
    x = 1,249,619,804,319,571.50/39,179,215.60
  6. Step 6: Final answer
    x = 31,894,967.40

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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.