Home / 19,133,836.71-28,700,860.76-4,756,904.52

Finding the Fourth Proportional to 19,133,836.71, 28,700,860.76 and 4,756,904.52

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Solution

The fourth proportional to 19,133,836.71, 28,700,860.76 and 4,756,904.52 is: 7,135,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,836.71 : 28,700,860.76 = 4,756,904.52 : x
  2. Step 2: Convert to fraction form
    19,133,836.71/28,700,860.76 = 4,756,904.52/x
  3. Step 3: Cross multiply
    19,133,836.71x = 28,700,860.76 × 4,756,904.52
  4. Step 4: Simplify right side
    19,133,836.71x = 136,527,254,190,317.88
  5. Step 5: Solve for x
    x = 136,527,254,190,317.88/19,133,836.71
  6. Step 6: Final answer
    x = 7,135,383.05

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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.