Home / 13,643,018.47-18,827,250.01-7,531,315.75

Finding the Fourth Proportional to 13,643,018.47, 18,827,250.01 and 7,531,315.75

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Solution

The fourth proportional to 13,643,018.47, 18,827,250.01 and 7,531,315.75 is: 10,393,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,018.47 : 18,827,250.01 = 7,531,315.75 : x
  2. Step 2: Convert to fraction form
    13,643,018.47/18,827,250.01 = 7,531,315.75/x
  3. Step 3: Cross multiply
    13,643,018.47x = 18,827,250.01 × 7,531,315.75
  4. Step 4: Simplify right side
    13,643,018.47x = 141,793,964,529,500.66
  5. Step 5: Solve for x
    x = 141,793,964,529,500.66/13,643,018.47
  6. Step 6: Final answer
    x = 10,393,151.99

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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.