Home / 30,888,688.32-42,626,395.04-17,137,619.68

Finding the Fourth Proportional to 30,888,688.32, 42,626,395.04 and 17,137,619.68

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Solution

The fourth proportional to 30,888,688.32, 42,626,395.04 and 17,137,619.68 is: 23,649,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,688.32 : 42,626,395.04 = 17,137,619.68 : x
  2. Step 2: Convert to fraction form
    30,888,688.32/42,626,395.04 = 17,137,619.68/x
  3. Step 3: Cross multiply
    30,888,688.32x = 42,626,395.04 × 17,137,619.68
  4. Step 4: Simplify right side
    30,888,688.32x = 730,514,946,524,958.38
  5. Step 5: Solve for x
    x = 730,514,946,524,958.38/30,888,688.32
  6. Step 6: Final answer
    x = 23,649,918.02

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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.