Home / 19,366,938.60-29,050,407.90-12,564,493.80

Finding the Fourth Proportional to 19,366,938.60, 29,050,407.90 and 12,564,493.80

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Solution

The fourth proportional to 19,366,938.60, 29,050,407.90 and 12,564,493.80 is: 18,846,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366,938.60 : 29,050,407.90 = 12,564,493.80 : x
  2. Step 2: Convert to fraction form
    19,366,938.60/29,050,407.90 = 12,564,493.80/x
  3. Step 3: Cross multiply
    19,366,938.60x = 29,050,407.90 × 12,564,493.80
  4. Step 4: Simplify right side
    19,366,938.60x = 365,003,669,947,021
  5. Step 5: Solve for x
    x = 365,003,669,947,021/19,366,938.60
  6. Step 6: Final answer
    x = 18,846,740.70

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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.