Home / 12,123,047.40-18,184,571.10-11,697,894.60

Finding the Fourth Proportional to 12,123,047.40, 18,184,571.10 and 11,697,894.60

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Solution

The fourth proportional to 12,123,047.40, 18,184,571.10 and 11,697,894.60 is: 17,546,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,047.40 : 18,184,571.10 = 11,697,894.60 : x
  2. Step 2: Convert to fraction form
    12,123,047.40/18,184,571.10 = 11,697,894.60/x
  3. Step 3: Cross multiply
    12,123,047.40x = 18,184,571.10 × 11,697,894.60
  4. Step 4: Simplify right side
    12,123,047.40x = 212,721,196,074,006.06
  5. Step 5: Solve for x
    x = 212,721,196,074,006.06/12,123,047.40
  6. Step 6: Final answer
    x = 17,546,841.90

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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.