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Finding the Fourth Proportional to 18,045,701.03, 24,904,642.32 and 9,898,513.67

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Solution

The fourth proportional to 18,045,701.03, 24,904,642.32 and 9,898,513.67 is: 13,660,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,701.03 : 24,904,642.32 = 9,898,513.67 : x
  2. Step 2: Convert to fraction form
    18,045,701.03/24,904,642.32 = 9,898,513.67/x
  3. Step 3: Cross multiply
    18,045,701.03x = 24,904,642.32 × 9,898,513.67
  4. Step 4: Simplify right side
    18,045,701.03x = 246,518,942,513,242.09
  5. Step 5: Solve for x
    x = 246,518,942,513,242.09/18,045,701.03
  6. Step 6: Final answer
    x = 13,660,812.74

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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.