Home / 14,997,838.52-20,698,700.38-8,471,888.35

Finding the Fourth Proportional to 14,997,838.52, 20,698,700.38 and 8,471,888.35

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Solution

The fourth proportional to 14,997,838.52, 20,698,700.38 and 8,471,888.35 is: 11,692,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,838.52 : 20,698,700.38 = 8,471,888.35 : x
  2. Step 2: Convert to fraction form
    14,997,838.52/20,698,700.38 = 8,471,888.35/x
  3. Step 3: Cross multiply
    14,997,838.52x = 20,698,700.38 × 8,471,888.35
  4. Step 4: Simplify right side
    14,997,838.52x = 175,357,078,536,536.12
  5. Step 5: Solve for x
    x = 175,357,078,536,536.12/14,997,838.52
  6. Step 6: Final answer
    x = 11,692,156.72

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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.