Home / 8,661,386.66-11,955,699.88-4,991,768.32

Finding the Fourth Proportional to 8,661,386.66, 11,955,699.88 and 4,991,768.32

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Solution

The fourth proportional to 8,661,386.66, 11,955,699.88 and 4,991,768.32 is: 6,890,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,386.66 : 11,955,699.88 = 4,991,768.32 : x
  2. Step 2: Convert to fraction form
    8,661,386.66/11,955,699.88 = 4,991,768.32/x
  3. Step 3: Cross multiply
    8,661,386.66x = 11,955,699.88 × 4,991,768.32
  4. Step 4: Simplify right side
    8,661,386.66x = 59,680,083,904,411.81
  5. Step 5: Solve for x
    x = 59,680,083,904,411.81/8,661,386.66
  6. Step 6: Final answer
    x = 6,890,361.35

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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.