Home / 13,457,326.25-18,570,873.24-7,655,984.33

Finding the Fourth Proportional to 13,457,326.25, 18,570,873.24 and 7,655,984.33

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Solution

The fourth proportional to 13,457,326.25, 18,570,873.24 and 7,655,984.33 is: 10,565,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,326.25 : 18,570,873.24 = 7,655,984.33 : x
  2. Step 2: Convert to fraction form
    13,457,326.25/18,570,873.24 = 7,655,984.33/x
  3. Step 3: Cross multiply
    13,457,326.25x = 18,570,873.24 × 7,655,984.33
  4. Step 4: Simplify right side
    13,457,326.25x = 142,178,314,519,856.31
  5. Step 5: Solve for x
    x = 142,178,314,519,856.31/13,457,326.25
  6. Step 6: Final answer
    x = 10,565,123.55

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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.