Home / 9,478,683.81-13,080,554.75-5,127,768.98

Finding the Fourth Proportional to 9,478,683.81, 13,080,554.75 and 5,127,768.98

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Solution

The fourth proportional to 9,478,683.81, 13,080,554.75 and 5,127,768.98 is: 7,076,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,683.81 : 13,080,554.75 = 5,127,768.98 : x
  2. Step 2: Convert to fraction form
    9,478,683.81/13,080,554.75 = 5,127,768.98/x
  3. Step 3: Cross multiply
    9,478,683.81x = 13,080,554.75 × 5,127,768.98
  4. Step 4: Simplify right side
    9,478,683.81x = 67,074,062,797,200.02
  5. Step 5: Solve for x
    x = 67,074,062,797,200.02/9,478,683.81
  6. Step 6: Final answer
    x = 7,076,305.54

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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.