Home / 9,478,814.99-13,080,735.80-5,127,900.29

Finding the Fourth Proportional to 9,478,814.99, 13,080,735.80 and 5,127,900.29

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Solution

The fourth proportional to 9,478,814.99, 13,080,735.80 and 5,127,900.29 is: 7,076,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,814.99 : 13,080,735.80 = 5,127,900.29 : x
  2. Step 2: Convert to fraction form
    9,478,814.99/13,080,735.80 = 5,127,900.29/x
  3. Step 3: Cross multiply
    9,478,814.99x = 13,080,735.80 × 5,127,900.29
  4. Step 4: Simplify right side
    9,478,814.99x = 67,076,708,879,472.59
  5. Step 5: Solve for x
    x = 67,076,708,879,472.59/9,478,814.99
  6. Step 6: Final answer
    x = 7,076,486.77

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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.