Home / 28,905,673.50-39,889,829.70-16,028,617.50

Finding the Fourth Proportional to 28,905,673.50, 39,889,829.70 and 16,028,617.50

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Solution

The fourth proportional to 28,905,673.50, 39,889,829.70 and 16,028,617.50 is: 22,119,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,673.50 : 39,889,829.70 = 16,028,617.50 : x
  2. Step 2: Convert to fraction form
    28,905,673.50/39,889,829.70 = 16,028,617.50/x
  3. Step 3: Cross multiply
    28,905,673.50x = 39,889,829.70 × 16,028,617.50
  4. Step 4: Simplify right side
    28,905,673.50x = 639,378,822,401,439.75
  5. Step 5: Solve for x
    x = 639,378,822,401,439.75/28,905,673.50
  6. Step 6: Final answer
    x = 22,119,492.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.