Home / 18,927,688.50-28,391,532.63-4,550,756.31

Finding the Fourth Proportional to 18,927,688.50, 28,391,532.63 and 4,550,756.31

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Solution

The fourth proportional to 18,927,688.50, 28,391,532.63 and 4,550,756.31 is: 6,826,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,688.50 : 28,391,532.63 = 4,550,756.31 : x
  2. Step 2: Convert to fraction form
    18,927,688.50/28,391,532.63 = 4,550,756.31/x
  3. Step 3: Cross multiply
    18,927,688.50x = 28,391,532.63 × 4,550,756.31
  4. Step 4: Simplify right side
    18,927,688.50x = 129,202,946,266,543.38
  5. Step 5: Solve for x
    x = 129,202,946,266,543.38/18,927,688.50
  6. Step 6: Final answer
    x = 6,826,134.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.