Home / 20,482,590.84-30,739,004.28-9,699,870.84

Finding the Fourth Proportional to 20,482,590.84, 30,739,004.28 and 9,699,870.84

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Solution

The fourth proportional to 20,482,590.84, 30,739,004.28 and 9,699,870.84 is: 14,556,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482,590.84 : 30,739,004.28 = 9,699,870.84 : x
  2. Step 2: Convert to fraction form
    20,482,590.84/30,739,004.28 = 9,699,870.84/x
  3. Step 3: Cross multiply
    20,482,590.84x = 30,739,004.28 × 9,699,870.84
  4. Step 4: Simplify right side
    20,482,590.84x = 298,164,371,266,207.19
  5. Step 5: Solve for x
    x = 298,164,371,266,207.19/20,482,590.84
  6. Step 6: Final answer
    x = 14,556,965.65

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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.