Home / 13,582,152-18,746,032.32-7,784,819.40

Finding the Fourth Proportional to 13,582,152, 18,746,032.32 and 7,784,819.40

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Solution

The fourth proportional to 13,582,152, 18,746,032.32 and 7,784,819.40 is: 10,744,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,152 : 18,746,032.32 = 7,784,819.40 : x
  2. Step 2: Convert to fraction form
    13,582,152/18,746,032.32 = 7,784,819.40/x
  3. Step 3: Cross multiply
    13,582,152x = 18,746,032.32 × 7,784,819.40
  4. Step 4: Simplify right side
    13,582,152x = 145,934,476,077,763.03
  5. Step 5: Solve for x
    x = 145,934,476,077,763.03/13,582,152
  6. Step 6: Final answer
    x = 10,744,576.86

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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.