Home / 19,315,629.20-28,973,443.80-5,852,457.20

Finding the Fourth Proportional to 19,315,629.20, 28,973,443.80 and 5,852,457.20

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Solution

The fourth proportional to 19,315,629.20, 28,973,443.80 and 5,852,457.20 is: 8,778,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,629.20 : 28,973,443.80 = 5,852,457.20 : x
  2. Step 2: Convert to fraction form
    19,315,629.20/28,973,443.80 = 5,852,457.20/x
  3. Step 3: Cross multiply
    19,315,629.20x = 28,973,443.80 × 5,852,457.20
  4. Step 4: Simplify right side
    19,315,629.20x = 169,565,839,776,105.38
  5. Step 5: Solve for x
    x = 169,565,839,776,105.38/19,315,629.20
  6. Step 6: Final answer
    x = 8,778,685.80

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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.