Home / 9,738,705.36-13,439,814.60-5,387,720.40

Finding the Fourth Proportional to 9,738,705.36, 13,439,814.60 and 5,387,720.40

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Solution

The fourth proportional to 9,738,705.36, 13,439,814.60 and 5,387,720.40 is: 7,435,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738,705.36 : 13,439,814.60 = 5,387,720.40 : x
  2. Step 2: Convert to fraction form
    9,738,705.36/13,439,814.60 = 5,387,720.40/x
  3. Step 3: Cross multiply
    9,738,705.36x = 13,439,814.60 × 5,387,720.40
  4. Step 4: Simplify right side
    9,738,705.36x = 72,409,963,292,637.84
  5. Step 5: Solve for x
    x = 72,409,963,292,637.84/9,738,705.36
  6. Step 6: Final answer
    x = 7,435,276.11

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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.