Home / 18,870,319.63-28,302,326.65-5,224,845.39

Finding the Fourth Proportional to 18,870,319.63, 28,302,326.65 and 5,224,845.39

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Solution

The fourth proportional to 18,870,319.63, 28,302,326.65 and 5,224,845.39 is: 7,836,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,319.63 : 28,302,326.65 = 5,224,845.39 : x
  2. Step 2: Convert to fraction form
    18,870,319.63/28,302,326.65 = 5,224,845.39/x
  3. Step 3: Cross multiply
    18,870,319.63x = 28,302,326.65 × 5,224,845.39
  4. Step 4: Simplify right side
    18,870,319.63x = 147,875,280,923,526.62
  5. Step 5: Solve for x
    x = 147,875,280,923,526.62/18,870,319.63
  6. Step 6: Final answer
    x = 7,836,395.13

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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.