Home / 15,000,814.96-20,699,571-8,475,156.88

Finding the Fourth Proportional to 15,000,814.96, 20,699,571 and 8,475,156.88

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Solution

The fourth proportional to 15,000,814.96, 20,699,571 and 8,475,156.88 is: 11,694,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,814.96 : 20,699,571 = 8,475,156.88 : x
  2. Step 2: Convert to fraction form
    15,000,814.96/20,699,571 = 8,475,156.88/x
  3. Step 3: Cross multiply
    15,000,814.96x = 20,699,571 × 8,475,156.88
  4. Step 4: Simplify right side
    15,000,814.96x = 175,432,111,573,698.50
  5. Step 5: Solve for x
    x = 175,432,111,573,698.50/15,000,814.96
  6. Step 6: Final answer
    x = 11,694,838.72

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1.5x scale

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.