Home / 19,847,573.40-29,799,353.70-12,289,301.40

Finding the Fourth Proportional to 19,847,573.40, 29,799,353.70 and 12,289,301.40

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Solution

The fourth proportional to 19,847,573.40, 29,799,353.70 and 12,289,301.40 is: 18,451,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,573.40 : 29,799,353.70 = 12,289,301.40 : x
  2. Step 2: Convert to fraction form
    19,847,573.40/29,799,353.70 = 12,289,301.40/x
  3. Step 3: Cross multiply
    19,847,573.40x = 29,799,353.70 × 12,289,301.40
  4. Step 4: Simplify right side
    19,847,573.40x = 366,213,239,144,505.19
  5. Step 5: Solve for x
    x = 366,213,239,144,505.19/19,847,573.40
  6. Step 6: Final answer
    x = 18,451,285.29

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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.