Home / 9,999,361.92-13,799,115.20-5,415,683.52

Finding the Fourth Proportional to 9,999,361.92, 13,799,115.20 and 5,415,683.52

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Solution

The fourth proportional to 9,999,361.92, 13,799,115.20 and 5,415,683.52 is: 7,473,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,361.92 : 13,799,115.20 = 5,415,683.52 : x
  2. Step 2: Convert to fraction form
    9,999,361.92/13,799,115.20 = 5,415,683.52/x
  3. Step 3: Cross multiply
    9,999,361.92x = 13,799,115.20 × 5,415,683.52
  4. Step 4: Simplify right side
    9,999,361.92x = 74,731,640,779,221.50
  5. Step 5: Solve for x
    x = 74,731,640,779,221.50/9,999,361.92
  6. Step 6: Final answer
    x = 7,473,640.96

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1.5x scale

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.