Home / 39,043,860.40-58,509,803.40-28,728,218.80

Finding the Fourth Proportional to 39,043,860.40, 58,509,803.40 and 28,728,218.80

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Solution

The fourth proportional to 39,043,860.40, 58,509,803.40 and 28,728,218.80 is: 43,051,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043,860.40 : 58,509,803.40 = 28,728,218.80 : x
  2. Step 2: Convert to fraction form
    39,043,860.40/58,509,803.40 = 28,728,218.80/x
  3. Step 3: Cross multiply
    39,043,860.40x = 58,509,803.40 × 28,728,218.80
  4. Step 4: Simplify right side
    39,043,860.40x = 1,680,882,434,020,184
  5. Step 5: Solve for x
    x = 1,680,882,434,020,184/39,043,860.40
  6. Step 6: Final answer
    x = 43,051,133.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.