Home / 14,997,839.52-20,698,701.76-8,471,889.35

Finding the Fourth Proportional to 14,997,839.52, 20,698,701.76 and 8,471,889.35

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Solution

The fourth proportional to 14,997,839.52, 20,698,701.76 and 8,471,889.35 is: 11,692,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,839.52 : 20,698,701.76 = 8,471,889.35 : x
  2. Step 2: Convert to fraction form
    14,997,839.52/20,698,701.76 = 8,471,889.35/x
  3. Step 3: Cross multiply
    14,997,839.52x = 20,698,701.76 × 8,471,889.35
  4. Step 4: Simplify right side
    14,997,839.52x = 175,357,110,999,370.25
  5. Step 5: Solve for x
    x = 175,357,110,999,370.25/14,997,839.52
  6. Step 6: Final answer
    x = 11,692,158.11

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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.