Home / 19,307,533.60-28,960,927.68-7,792,696.72

Finding the Fourth Proportional to 19,307,533.60, 28,960,927.68 and 7,792,696.72

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Solution

The fourth proportional to 19,307,533.60, 28,960,927.68 and 7,792,696.72 is: 11,688,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307,533.60 : 28,960,927.68 = 7,792,696.72 : x
  2. Step 2: Convert to fraction form
    19,307,533.60/28,960,927.68 = 7,792,696.72/x
  3. Step 3: Cross multiply
    19,307,533.60x = 28,960,927.68 × 7,792,696.72
  4. Step 4: Simplify right side
    19,307,533.60x = 225,683,726,140,093.19
  5. Step 5: Solve for x
    x = 225,683,726,140,093.19/19,307,533.60
  6. Step 6: Final answer
    x = 11,688,894.65

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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.