Home / 6,155,280.78-8,496,657.99-5,509,561.74

Finding the Fourth Proportional to 6,155,280.78, 8,496,657.99 and 5,509,561.74

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Solution

The fourth proportional to 6,155,280.78, 8,496,657.99 and 5,509,561.74 is: 7,605,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155,280.78 : 8,496,657.99 = 5,509,561.74 : x
  2. Step 2: Convert to fraction form
    6,155,280.78/8,496,657.99 = 5,509,561.74/x
  3. Step 3: Cross multiply
    6,155,280.78x = 8,496,657.99 × 5,509,561.74
  4. Step 4: Simplify right side
    6,155,280.78x = 46,812,861,779,569.30
  5. Step 5: Solve for x
    x = 46,812,861,779,569.30/6,155,280.78
  6. Step 6: Final answer
    x = 7,605,317.04

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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.