Home / 6,688,693.92-9,228,816.36-3,935,501.52

Finding the Fourth Proportional to 6,688,693.92, 9,228,816.36 and 3,935,501.52

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Solution

The fourth proportional to 6,688,693.92, 9,228,816.36 and 3,935,501.52 is: 5,430,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,693.92 : 9,228,816.36 = 3,935,501.52 : x
  2. Step 2: Convert to fraction form
    6,688,693.92/9,228,816.36 = 3,935,501.52/x
  3. Step 3: Cross multiply
    6,688,693.92x = 9,228,816.36 × 3,935,501.52
  4. Step 4: Simplify right side
    6,688,693.92x = 36,320,020,812,580.87
  5. Step 5: Solve for x
    x = 36,320,020,812,580.87/6,688,693.92
  6. Step 6: Final answer
    x = 5,430,061.72

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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.