Home / 18,798,509.61-28,191,924.86-9,077,078.41

Finding the Fourth Proportional to 18,798,509.61, 28,191,924.86 and 9,077,078.41

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Solution

The fourth proportional to 18,798,509.61, 28,191,924.86 and 9,077,078.41 is: 13,612,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798,509.61 : 28,191,924.86 = 9,077,078.41 : x
  2. Step 2: Convert to fraction form
    18,798,509.61/28,191,924.86 = 9,077,078.41/x
  3. Step 3: Cross multiply
    18,798,509.61x = 28,191,924.86 × 9,077,078.41
  4. Step 4: Simplify right side
    18,798,509.61x = 255,900,312,540,980.91
  5. Step 5: Solve for x
    x = 255,900,312,540,980.91/18,798,509.61
  6. Step 6: Final answer
    x = 13,612,797.92

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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.