Home / 16,913,343.94-23,340,429.66-9,178,386.28

Finding the Fourth Proportional to 16,913,343.94, 23,340,429.66 and 9,178,386.28

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Solution

The fourth proportional to 16,913,343.94, 23,340,429.66 and 9,178,386.28 is: 12,666,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,343.94 : 23,340,429.66 = 9,178,386.28 : x
  2. Step 2: Convert to fraction form
    16,913,343.94/23,340,429.66 = 9,178,386.28/x
  3. Step 3: Cross multiply
    16,913,343.94x = 23,340,429.66 × 9,178,386.28
  4. Step 4: Simplify right side
    16,913,343.94x = 214,227,479,360,649.06
  5. Step 5: Solve for x
    x = 214,227,479,360,649.06/16,913,343.94
  6. Step 6: Final answer
    x = 12,666,181.22

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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.