Home / 8,735,792.40-13,103,688.60-7,812,003.60

Finding the Fourth Proportional to 8,735,792.40, 13,103,688.60 and 7,812,003.60

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Solution

The fourth proportional to 8,735,792.40, 13,103,688.60 and 7,812,003.60 is: 11,718,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735,792.40 : 13,103,688.60 = 7,812,003.60 : x
  2. Step 2: Convert to fraction form
    8,735,792.40/13,103,688.60 = 7,812,003.60/x
  3. Step 3: Cross multiply
    8,735,792.40x = 13,103,688.60 × 7,812,003.60
  4. Step 4: Simplify right side
    8,735,792.40x = 102,366,062,516,478.95
  5. Step 5: Solve for x
    x = 102,366,062,516,478.95/8,735,792.40
  6. Step 6: Final answer
    x = 11,718,005.40

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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.