Home / 28,065,541.50-38,730,447.54-15,188,485.50

Finding the Fourth Proportional to 28,065,541.50, 38,730,447.54 and 15,188,485.50

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Solution

The fourth proportional to 28,065,541.50, 38,730,447.54 and 15,188,485.50 is: 20,960,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,541.50 : 38,730,447.54 = 15,188,485.50 : x
  2. Step 2: Convert to fraction form
    28,065,541.50/38,730,447.54 = 15,188,485.50/x
  3. Step 3: Cross multiply
    28,065,541.50x = 38,730,447.54 × 15,188,485.50
  4. Step 4: Simplify right side
    28,065,541.50x = 588,256,840,869,800.62
  5. Step 5: Solve for x
    x = 588,256,840,869,800.62/28,065,541.50
  6. Step 6: Final answer
    x = 20,960,110.14

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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.