Home / 13,012,752.40-19,519,128.60-8,229,783.40

Finding the Fourth Proportional to 13,012,752.40, 19,519,128.60 and 8,229,783.40

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Solution

The fourth proportional to 13,012,752.40, 19,519,128.60 and 8,229,783.40 is: 12,344,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,752.40 : 19,519,128.60 = 8,229,783.40 : x
  2. Step 2: Convert to fraction form
    13,012,752.40/19,519,128.60 = 8,229,783.40/x
  3. Step 3: Cross multiply
    13,012,752.40x = 19,519,128.60 × 8,229,783.40
  4. Step 4: Simplify right side
    13,012,752.40x = 160,638,200,534,745.25
  5. Step 5: Solve for x
    x = 160,638,200,534,745.25/13,012,752.40
  6. Step 6: Final answer
    x = 12,344,675.10

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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.