Home / 18,148,032.40-27,222,048.60-12,762,763.60

Finding the Fourth Proportional to 18,148,032.40, 27,222,048.60 and 12,762,763.60

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Solution

The fourth proportional to 18,148,032.40, 27,222,048.60 and 12,762,763.60 is: 19,144,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,032.40 : 27,222,048.60 = 12,762,763.60 : x
  2. Step 2: Convert to fraction form
    18,148,032.40/27,222,048.60 = 12,762,763.60/x
  3. Step 3: Cross multiply
    18,148,032.40x = 27,222,048.60 × 12,762,763.60
  4. Step 4: Simplify right side
    18,148,032.40x = 347,428,570,989,511
  5. Step 5: Solve for x
    x = 347,428,570,989,511/18,148,032.40
  6. Step 6: Final answer
    x = 19,144,145.40

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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.