Home / 13,869,993.40-20,804,990.10-8,495,222.20

Finding the Fourth Proportional to 13,869,993.40, 20,804,990.10 and 8,495,222.20

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Solution

The fourth proportional to 13,869,993.40, 20,804,990.10 and 8,495,222.20 is: 12,742,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,993.40 : 20,804,990.10 = 8,495,222.20 : x
  2. Step 2: Convert to fraction form
    13,869,993.40/20,804,990.10 = 8,495,222.20/x
  3. Step 3: Cross multiply
    13,869,993.40x = 20,804,990.10 × 8,495,222.20
  4. Step 4: Simplify right side
    13,869,993.40x = 176,743,013,768,300.22
  5. Step 5: Solve for x
    x = 176,743,013,768,300.22/13,869,993.40
  6. Step 6: Final answer
    x = 12,742,833.30

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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.