Home / 16,913,342.94-23,340,428.28-9,178,385.28

Finding the Fourth Proportional to 16,913,342.94, 23,340,428.28 and 9,178,385.28

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Solution

The fourth proportional to 16,913,342.94, 23,340,428.28 and 9,178,385.28 is: 12,666,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,342.94 : 23,340,428.28 = 9,178,385.28 : x
  2. Step 2: Convert to fraction form
    16,913,342.94/23,340,428.28 = 9,178,385.28/x
  3. Step 3: Cross multiply
    16,913,342.94x = 23,340,428.28 × 9,178,385.28
  4. Step 4: Simplify right side
    16,913,342.94x = 214,227,443,354,047.72
  5. Step 5: Solve for x
    x = 214,227,443,354,047.72/16,913,342.94
  6. Step 6: Final answer
    x = 12,666,179.84

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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.