Home / 8,274,071.40-12,411,107.10-7,179,210.60

Finding the Fourth Proportional to 8,274,071.40, 12,411,107.10 and 7,179,210.60

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Solution

The fourth proportional to 8,274,071.40, 12,411,107.10 and 7,179,210.60 is: 10,768,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274,071.40 : 12,411,107.10 = 7,179,210.60 : x
  2. Step 2: Convert to fraction form
    8,274,071.40/12,411,107.10 = 7,179,210.60/x
  3. Step 3: Cross multiply
    8,274,071.40x = 12,411,107.10 × 7,179,210.60
  4. Step 4: Simplify right side
    8,274,071.40x = 89,101,951,650,055.25
  5. Step 5: Solve for x
    x = 89,101,951,650,055.25/8,274,071.40
  6. Step 6: Final answer
    x = 10,768,815.90

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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.