Home / 13,247,999.60-19,871,999.40-12,874,751.60

Finding the Fourth Proportional to 13,247,999.60, 19,871,999.40 and 12,874,751.60

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Solution

The fourth proportional to 13,247,999.60, 19,871,999.40 and 12,874,751.60 is: 19,312,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,999.60 : 19,871,999.40 = 12,874,751.60 : x
  2. Step 2: Convert to fraction form
    13,247,999.60/19,871,999.40 = 12,874,751.60/x
  3. Step 3: Cross multiply
    13,247,999.60x = 19,871,999.40 × 12,874,751.60
  4. Step 4: Simplify right side
    13,247,999.60x = 255,847,056,070,349
  5. Step 5: Solve for x
    x = 255,847,056,070,349/13,247,999.60
  6. Step 6: Final answer
    x = 19,312,127.40

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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.