Home / 12,603,923.40-18,905,885.10-10,084,499.40

Finding the Fourth Proportional to 12,603,923.40, 18,905,885.10 and 10,084,499.40

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Solution

The fourth proportional to 12,603,923.40, 18,905,885.10 and 10,084,499.40 is: 15,126,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,923.40 : 18,905,885.10 = 10,084,499.40 : x
  2. Step 2: Convert to fraction form
    12,603,923.40/18,905,885.10 = 10,084,499.40/x
  3. Step 3: Cross multiply
    12,603,923.40x = 18,905,885.10 × 10,084,499.40
  4. Step 4: Simplify right side
    12,603,923.40x = 190,656,386,947,418.97
  5. Step 5: Solve for x
    x = 190,656,386,947,418.97/12,603,923.40
  6. Step 6: Final answer
    x = 15,126,749.10

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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.