Home / 12,413,036.40-18,619,554.60-3,893,359.20

Finding the Fourth Proportional to 12,413,036.40, 18,619,554.60 and 3,893,359.20

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Solution

The fourth proportional to 12,413,036.40, 18,619,554.60 and 3,893,359.20 is: 5,840,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,036.40 : 18,619,554.60 = 3,893,359.20 : x
  2. Step 2: Convert to fraction form
    12,413,036.40/18,619,554.60 = 3,893,359.20/x
  3. Step 3: Cross multiply
    12,413,036.40x = 18,619,554.60 × 3,893,359.20
  4. Step 4: Simplify right side
    12,413,036.40x = 72,492,614,201,812.33
  5. Step 5: Solve for x
    x = 72,492,614,201,812.33/12,413,036.40
  6. Step 6: Final answer
    x = 5,840,038.80

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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.