Home / 12,091,972.08-16,688,735.64-9,186,582

Finding the Fourth Proportional to 12,091,972.08, 16,688,735.64 and 9,186,582

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Solution

The fourth proportional to 12,091,972.08, 16,688,735.64 and 9,186,582 is: 12,678,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,972.08 : 16,688,735.64 = 9,186,582 : x
  2. Step 2: Convert to fraction form
    12,091,972.08/16,688,735.64 = 9,186,582/x
  3. Step 3: Cross multiply
    12,091,972.08x = 16,688,735.64 × 9,186,582
  4. Step 4: Simplify right side
    12,091,972.08x = 153,312,438,433,182.50
  5. Step 5: Solve for x
    x = 153,312,438,433,182.50/12,091,972.08
  6. Step 6: Final answer
    x = 12,678,861.43

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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.