Home / 12,284,946.90-18,442,583.55-7,735,986.90

Finding the Fourth Proportional to 12,284,946.90, 18,442,583.55 and 7,735,986.90

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Solution

The fourth proportional to 12,284,946.90, 18,442,583.55 and 7,735,986.90 is: 11,613,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,946.90 : 18,442,583.55 = 7,735,986.90 : x
  2. Step 2: Convert to fraction form
    12,284,946.90/18,442,583.55 = 7,735,986.90/x
  3. Step 3: Cross multiply
    12,284,946.90x = 18,442,583.55 × 7,735,986.90
  4. Step 4: Simplify right side
    12,284,946.90x = 142,671,584,744,955.50
  5. Step 5: Solve for x
    x = 142,671,584,744,955.50/12,284,946.90
  6. Step 6: Final answer
    x = 11,613,528.81

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1.5x scale

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.