Home / 28,989,850.20-43,484,775.30-19,434,701.40

Finding the Fourth Proportional to 28,989,850.20, 43,484,775.30 and 19,434,701.40

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Solution

The fourth proportional to 28,989,850.20, 43,484,775.30 and 19,434,701.40 is: 29,152,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989,850.20 : 43,484,775.30 = 19,434,701.40 : x
  2. Step 2: Convert to fraction form
    28,989,850.20/43,484,775.30 = 19,434,701.40/x
  3. Step 3: Cross multiply
    28,989,850.20x = 43,484,775.30 × 19,434,701.40
  4. Step 4: Simplify right side
    28,989,850.20x = 845,113,623,401,595.25
  5. Step 5: Solve for x
    x = 845,113,623,401,595.25/28,989,850.20
  6. Step 6: Final answer
    x = 29,152,052.10

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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.