Home / 30,640,113.66-42,282,084.57-16,701,162.08

Finding the Fourth Proportional to 30,640,113.66, 42,282,084.57 and 16,701,162.08

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Solution

The fourth proportional to 30,640,113.66, 42,282,084.57 and 16,701,162.08 is: 23,046,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,113.66 : 42,282,084.57 = 16,701,162.08 : x
  2. Step 2: Convert to fraction form
    30,640,113.66/42,282,084.57 = 16,701,162.08/x
  3. Step 3: Cross multiply
    30,640,113.66x = 42,282,084.57 × 16,701,162.08
  4. Step 4: Simplify right side
    30,640,113.66x = 706,159,947,272,426.62
  5. Step 5: Solve for x
    x = 706,159,947,272,426.62/30,640,113.66
  6. Step 6: Final answer
    x = 23,046,910.17

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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.