Home / 10,400,916.20-15,580,379.10-5,907,943.40

Finding the Fourth Proportional to 10,400,916.20, 15,580,379.10 and 5,907,943.40

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Solution

The fourth proportional to 10,400,916.20, 15,580,379.10 and 5,907,943.40 is: 8,849,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,916.20 : 15,580,379.10 = 5,907,943.40 : x
  2. Step 2: Convert to fraction form
    10,400,916.20/15,580,379.10 = 5,907,943.40/x
  3. Step 3: Cross multiply
    10,400,916.20x = 15,580,379.10 × 5,907,943.40
  4. Step 4: Simplify right side
    10,400,916.20x = 92,047,997,873,342.94
  5. Step 5: Solve for x
    x = 92,047,997,873,342.94/10,400,916.20
  6. Step 6: Final answer
    x = 8,849,989.38

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1.5x scale

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.