Home / 13,482,013.02-18,602,786.40-7,975,619.94

Finding the Fourth Proportional to 13,482,013.02, 18,602,786.40 and 7,975,619.94

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Solution

The fourth proportional to 13,482,013.02, 18,602,786.40 and 7,975,619.94 is: 11,004,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,013.02 : 18,602,786.40 = 7,975,619.94 : x
  2. Step 2: Convert to fraction form
    13,482,013.02/18,602,786.40 = 7,975,619.94/x
  3. Step 3: Cross multiply
    13,482,013.02x = 18,602,786.40 × 7,975,619.94
  4. Step 4: Simplify right side
    13,482,013.02x = 148,368,754,151,400.81
  5. Step 5: Solve for x
    x = 148,368,754,151,400.81/13,482,013.02
  6. Step 6: Final answer
    x = 11,004,940.73

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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.