Home / 19,685,364.30-29,528,046.45-7,718,100.30

Finding the Fourth Proportional to 19,685,364.30, 29,528,046.45 and 7,718,100.30

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Solution

The fourth proportional to 19,685,364.30, 29,528,046.45 and 7,718,100.30 is: 11,577,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,364.30 : 29,528,046.45 = 7,718,100.30 : x
  2. Step 2: Convert to fraction form
    19,685,364.30/29,528,046.45 = 7,718,100.30/x
  3. Step 3: Cross multiply
    19,685,364.30x = 29,528,046.45 × 7,718,100.30
  4. Step 4: Simplify right side
    19,685,364.30x = 227,900,424,164,158.94
  5. Step 5: Solve for x
    x = 227,900,424,164,158.94/19,685,364.30
  6. Step 6: Final answer
    x = 11,577,150.45

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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.