Home / 30,527,894.39-42,128,757.52-16,589,246.72

Finding the Fourth Proportional to 30,527,894.39, 42,128,757.52 and 16,589,246.72

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Solution

The fourth proportional to 30,527,894.39, 42,128,757.52 and 16,589,246.72 is: 22,893,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527,894.39 : 42,128,757.52 = 16,589,246.72 : x
  2. Step 2: Convert to fraction form
    30,527,894.39/42,128,757.52 = 16,589,246.72/x
  3. Step 3: Cross multiply
    30,527,894.39x = 42,128,757.52 × 16,589,246.72
  4. Step 4: Simplify right side
    30,527,894.39x = 698,884,352,254,218.38
  5. Step 5: Solve for x
    x = 698,884,352,254,218.38/30,527,894.39
  6. Step 6: Final answer
    x = 22,893,303.53

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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.