Home / 19,360,047.40-29,040,071.10-12,193,685.80

Finding the Fourth Proportional to 19,360,047.40, 29,040,071.10 and 12,193,685.80

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Solution

The fourth proportional to 19,360,047.40, 29,040,071.10 and 12,193,685.80 is: 18,290,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,047.40 : 29,040,071.10 = 12,193,685.80 : x
  2. Step 2: Convert to fraction form
    19,360,047.40/29,040,071.10 = 12,193,685.80/x
  3. Step 3: Cross multiply
    19,360,047.40x = 29,040,071.10 × 12,193,685.80
  4. Step 4: Simplify right side
    19,360,047.40x = 354,105,502,603,060.44
  5. Step 5: Solve for x
    x = 354,105,502,603,060.44/19,360,047.40
  6. Step 6: Final answer
    x = 18,290,528.70

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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.