Home / 11,688,498.21-16,130,149.43-6,531,859.77

Finding the Fourth Proportional to 11,688,498.21, 16,130,149.43 and 6,531,859.77

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Solution

The fourth proportional to 11,688,498.21, 16,130,149.43 and 6,531,859.77 is: 9,013,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,498.21 : 16,130,149.43 = 6,531,859.77 : x
  2. Step 2: Convert to fraction form
    11,688,498.21/16,130,149.43 = 6,531,859.77/x
  3. Step 3: Cross multiply
    11,688,498.21x = 16,130,149.43 × 6,531,859.77
  4. Step 4: Simplify right side
    11,688,498.21x = 105,359,874,145,905.42
  5. Step 5: Solve for x
    x = 105,359,874,145,905.42/11,688,498.21
  6. Step 6: Final answer
    x = 9,013,978.72

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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.