Home / 15,243,440.65-21,035,176.27-9,048,752.21

Finding the Fourth Proportional to 15,243,440.65, 21,035,176.27 and 9,048,752.21

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Solution

The fourth proportional to 15,243,440.65, 21,035,176.27 and 9,048,752.21 is: 12,486,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,440.65 : 21,035,176.27 = 9,048,752.21 : x
  2. Step 2: Convert to fraction form
    15,243,440.65/21,035,176.27 = 9,048,752.21/x
  3. Step 3: Cross multiply
    15,243,440.65x = 21,035,176.27 × 9,048,752.21
  4. Step 4: Simplify right side
    15,243,440.65x = 190,342,097,790,868.09
  5. Step 5: Solve for x
    x = 190,342,097,790,868.09/15,243,440.65
  6. Step 6: Final answer
    x = 12,486,819.88

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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.