Home / 16,909,510.78-25,368,842.47-12,057,946.53

Finding the Fourth Proportional to 16,909,510.78, 25,368,842.47 and 12,057,946.53

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Solution

The fourth proportional to 16,909,510.78, 25,368,842.47 and 12,057,946.53 is: 18,090,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909,510.78 : 25,368,842.47 = 12,057,946.53 : x
  2. Step 2: Convert to fraction form
    16,909,510.78/25,368,842.47 = 12,057,946.53/x
  3. Step 3: Cross multiply
    16,909,510.78x = 25,368,842.47 × 12,057,946.53
  4. Step 4: Simplify right side
    16,909,510.78x = 305,896,146,031,253.12
  5. Step 5: Solve for x
    x = 305,896,146,031,253.12/16,909,510.78
  6. Step 6: Final answer
    x = 18,090,183.09

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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.