Home / 16,850,678.16-23,253,885.18-9,115,718.34

Finding the Fourth Proportional to 16,850,678.16, 23,253,885.18 and 9,115,718.34

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Solution

The fourth proportional to 16,850,678.16, 23,253,885.18 and 9,115,718.34 is: 12,579,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850,678.16 : 23,253,885.18 = 9,115,718.34 : x
  2. Step 2: Convert to fraction form
    16,850,678.16/23,253,885.18 = 9,115,718.34/x
  3. Step 3: Cross multiply
    16,850,678.16x = 23,253,885.18 × 9,115,718.34
  4. Step 4: Simplify right side
    16,850,678.16x = 211,975,867,611,580.19
  5. Step 5: Solve for x
    x = 211,975,867,611,580.19/16,850,678.16
  6. Step 6: Final answer
    x = 12,579,663.89

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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.