Home / 30,640,113.16-42,282,083.88-16,701,161.58

Finding the Fourth Proportional to 30,640,113.16, 42,282,083.88 and 16,701,161.58

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Solution

The fourth proportional to 30,640,113.16, 42,282,083.88 and 16,701,161.58 is: 23,046,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,113.16 : 42,282,083.88 = 16,701,161.58 : x
  2. Step 2: Convert to fraction form
    30,640,113.16/42,282,083.88 = 16,701,161.58/x
  3. Step 3: Cross multiply
    30,640,113.16x = 42,282,083.88 × 16,701,161.58
  4. Step 4: Simplify right side
    30,640,113.16x = 706,159,914,818,993.38
  5. Step 5: Solve for x
    x = 706,159,914,818,993.38/30,640,113.16
  6. Step 6: Final answer
    x = 23,046,909.49

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1.5x scale

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.