Home / 8,432,533.71-12,653,838.17-7,746,470.43

Finding the Fourth Proportional to 8,432,533.71, 12,653,838.17 and 7,746,470.43

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Solution

The fourth proportional to 8,432,533.71, 12,653,838.17 and 7,746,470.43 is: 11,624,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432,533.71 : 12,653,838.17 = 7,746,470.43 : x
  2. Step 2: Convert to fraction form
    8,432,533.71/12,653,838.17 = 7,746,470.43/x
  3. Step 3: Cross multiply
    8,432,533.71x = 12,653,838.17 × 7,746,470.43
  4. Step 4: Simplify right side
    8,432,533.71x = 98,022,583,166,007.30
  5. Step 5: Solve for x
    x = 98,022,583,166,007.30/8,432,533.71
  6. Step 6: Final answer
    x = 11,624,333.39

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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.