Home / 15,457,434.45-21,330,426.54-8,581,474.05

Finding the Fourth Proportional to 15,457,434.45, 21,330,426.54 and 8,581,474.05

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Solution

The fourth proportional to 15,457,434.45, 21,330,426.54 and 8,581,474.05 is: 11,841,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,434.45 : 21,330,426.54 = 8,581,474.05 : x
  2. Step 2: Convert to fraction form
    15,457,434.45/21,330,426.54 = 8,581,474.05/x
  3. Step 3: Cross multiply
    15,457,434.45x = 21,330,426.54 × 8,581,474.05
  4. Step 4: Simplify right side
    15,457,434.45x = 183,046,501,828,441.28
  5. Step 5: Solve for x
    x = 183,046,501,828,441.28/15,457,434.45
  6. Step 6: Final answer
    x = 11,841,971.73

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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.