Home / 18,931,590.80-28,401,533.40-6,149,920.40

Finding the Fourth Proportional to 18,931,590.80, 28,401,533.40 and 6,149,920.40

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Solution

The fourth proportional to 18,931,590.80, 28,401,533.40 and 6,149,920.40 is: 9,226,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,590.80 : 28,401,533.40 = 6,149,920.40 : x
  2. Step 2: Convert to fraction form
    18,931,590.80/28,401,533.40 = 6,149,920.40/x
  3. Step 3: Cross multiply
    18,931,590.80x = 28,401,533.40 × 6,149,920.40
  4. Step 4: Simplify right side
    18,931,590.80x = 174,667,169,647,941.38
  5. Step 5: Solve for x
    x = 174,667,169,647,941.38/18,931,590.80
  6. Step 6: Final answer
    x = 9,226,227.82

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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.