Home / 13,117,565.95-19,635,992.55-8,558,798.62

Finding the Fourth Proportional to 13,117,565.95, 19,635,992.55 and 8,558,798.62

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Solution

The fourth proportional to 13,117,565.95, 19,635,992.55 and 8,558,798.62 is: 12,811,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,565.95 : 19,635,992.55 = 8,558,798.62 : x
  2. Step 2: Convert to fraction form
    13,117,565.95/19,635,992.55 = 8,558,798.62/x
  3. Step 3: Cross multiply
    13,117,565.95x = 19,635,992.55 × 8,558,798.62
  4. Step 4: Simplify right side
    13,117,565.95x = 168,060,505,939,270.28
  5. Step 5: Solve for x
    x = 168,060,505,939,270.28/13,117,565.95
  6. Step 6: Final answer
    x = 12,811,866.67

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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.