Home / 10,688,976.32-16,036,121.76-3,116,008.64

Finding the Fourth Proportional to 10,688,976.32, 16,036,121.76 and 3,116,008.64

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Solution

The fourth proportional to 10,688,976.32, 16,036,121.76 and 3,116,008.64 is: 4,674,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,976.32 : 16,036,121.76 = 3,116,008.64 : x
  2. Step 2: Convert to fraction form
    10,688,976.32/16,036,121.76 = 3,116,008.64/x
  3. Step 3: Cross multiply
    10,688,976.32x = 16,036,121.76 × 3,116,008.64
  4. Step 4: Simplify right side
    10,688,976.32x = 49,968,693,956,252.01
  5. Step 5: Solve for x
    x = 49,968,693,956,252.01/10,688,976.32
  6. Step 6: Final answer
    x = 4,674,787.60

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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.