Home / 30,640,717.64-42,284,180.04-16,889,911.40

Finding the Fourth Proportional to 30,640,717.64, 42,284,180.04 and 16,889,911.40

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Solution

The fourth proportional to 30,640,717.64, 42,284,180.04 and 16,889,911.40 is: 23,308,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,717.64 : 42,284,180.04 = 16,889,911.40 : x
  2. Step 2: Convert to fraction form
    30,640,717.64/42,284,180.04 = 16,889,911.40/x
  3. Step 3: Cross multiply
    30,640,717.64x = 42,284,180.04 × 16,889,911.40
  4. Step 4: Simplify right side
    30,640,717.64x = 714,176,054,497,248.38
  5. Step 5: Solve for x
    x = 714,176,054,497,248.38/30,640,717.64
  6. Step 6: Final answer
    x = 23,308,072.05

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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.