Home / 30,813,411.69-42,521,986.80-17,062,080.57

Finding the Fourth Proportional to 30,813,411.69, 42,521,986.80 and 17,062,080.57

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Solution

The fourth proportional to 30,813,411.69, 42,521,986.80 and 17,062,080.57 is: 23,545,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,411.69 : 42,521,986.80 = 17,062,080.57 : x
  2. Step 2: Convert to fraction form
    30,813,411.69/42,521,986.80 = 17,062,080.57/x
  3. Step 3: Cross multiply
    30,813,411.69x = 42,521,986.80 × 17,062,080.57
  4. Step 4: Simplify right side
    30,813,411.69x = 725,513,564,778,076.50
  5. Step 5: Solve for x
    x = 725,513,564,778,076.50/30,813,411.69
  6. Step 6: Final answer
    x = 23,545,382.51

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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.