Home / 13,701,983.61-18,908,736.80-7,507,265.07

Finding the Fourth Proportional to 13,701,983.61, 18,908,736.80 and 7,507,265.07

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Solution

The fourth proportional to 13,701,983.61, 18,908,736.80 and 7,507,265.07 is: 10,360,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,983.61 : 18,908,736.80 = 7,507,265.07 : x
  2. Step 2: Convert to fraction form
    13,701,983.61/18,908,736.80 = 7,507,265.07/x
  3. Step 3: Cross multiply
    13,701,983.61x = 18,908,736.80 × 7,507,265.07
  4. Step 4: Simplify right side
    13,701,983.61x = 141,952,899,258,927.28
  5. Step 5: Solve for x
    x = 141,952,899,258,927.28/13,701,983.61
  6. Step 6: Final answer
    x = 10,360,025.48

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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.