Home / 13,759,905.24-18,988,681.30-7,565,057.33

Finding the Fourth Proportional to 13,759,905.24, 18,988,681.30 and 7,565,057.33

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Solution

The fourth proportional to 13,759,905.24, 18,988,681.30 and 7,565,057.33 is: 10,439,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,905.24 : 18,988,681.30 = 7,565,057.33 : x
  2. Step 2: Convert to fraction form
    13,759,905.24/18,988,681.30 = 7,565,057.33/x
  3. Step 3: Cross multiply
    13,759,905.24x = 18,988,681.30 × 7,565,057.33
  4. Step 4: Simplify right side
    13,759,905.24x = 143,650,462,541,742.88
  5. Step 5: Solve for x
    x = 143,650,462,541,742.88/13,759,905.24
  6. Step 6: Final answer
    x = 10,439,785.74

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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.