Home / 18,698,567.40-28,039,556.70-8,595,988.20

Finding the Fourth Proportional to 18,698,567.40, 28,039,556.70 and 8,595,988.20

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Solution

The fourth proportional to 18,698,567.40, 28,039,556.70 and 8,595,988.20 is: 12,890,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,567.40 : 28,039,556.70 = 8,595,988.20 : x
  2. Step 2: Convert to fraction form
    18,698,567.40/28,039,556.70 = 8,595,988.20/x
  3. Step 3: Cross multiply
    18,698,567.40x = 28,039,556.70 × 8,595,988.20
  4. Step 4: Simplify right side
    18,698,567.40x = 241,027,698,526,430.91
  5. Step 5: Solve for x
    x = 241,027,698,526,430.91/18,698,567.40
  6. Step 6: Final answer
    x = 12,890,169.25

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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.