Home / 7,631,402.90-10,529,039.49-4,574,501.78

Finding the Fourth Proportional to 7,631,402.90, 10,529,039.49 and 4,574,501.78

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Solution

The fourth proportional to 7,631,402.90, 10,529,039.49 and 4,574,501.78 is: 6,311,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631,402.90 : 10,529,039.49 = 4,574,501.78 : x
  2. Step 2: Convert to fraction form
    7,631,402.90/10,529,039.49 = 4,574,501.78/x
  3. Step 3: Cross multiply
    7,631,402.90x = 10,529,039.49 × 4,574,501.78
  4. Step 4: Simplify right side
    7,631,402.90x = 48,165,109,888,695.30
  5. Step 5: Solve for x
    x = 48,165,109,888,695.30/7,631,402.90
  6. Step 6: Final answer
    x = 6,311,435.86

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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.