Home / 20,719,347.50-28,594,719.89-15,483,263.49

Finding the Fourth Proportional to 20,719,347.50, 28,594,719.89 and 15,483,263.49

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Solution

The fourth proportional to 20,719,347.50, 28,594,719.89 and 15,483,263.49 is: 21,368,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,719,347.50 : 28,594,719.89 = 15,483,263.49 : x
  2. Step 2: Convert to fraction form
    20,719,347.50/28,594,719.89 = 15,483,263.49/x
  3. Step 3: Cross multiply
    20,719,347.50x = 28,594,719.89 × 15,483,263.49
  4. Step 4: Simplify right side
    20,719,347.50x = 442,739,582,479,613.81
  5. Step 5: Solve for x
    x = 442,739,582,479,613.81/20,719,347.50
  6. Step 6: Final answer
    x = 21,368,413.39

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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.