Home / 11,688,435.48-16,129,993.86-6,531,795.66

Finding the Fourth Proportional to 11,688,435.48, 16,129,993.86 and 6,531,795.66

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Solution

The fourth proportional to 11,688,435.48, 16,129,993.86 and 6,531,795.66 is: 9,013,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,435.48 : 16,129,993.86 = 6,531,795.66 : x
  2. Step 2: Convert to fraction form
    11,688,435.48/16,129,993.86 = 6,531,795.66/x
  3. Step 3: Cross multiply
    11,688,435.48x = 16,129,993.86 × 6,531,795.66
  4. Step 4: Simplify right side
    11,688,435.48x = 105,357,823,890,574.64
  5. Step 5: Solve for x
    x = 105,357,823,890,574.64/11,688,435.48
  6. Step 6: Final answer
    x = 9,013,851.69

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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.