Home / 13,287,071.45-19,923,394.93-5,991,995.70

Finding the Fourth Proportional to 13,287,071.45, 19,923,394.93 and 5,991,995.70

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Solution

The fourth proportional to 13,287,071.45, 19,923,394.93 and 5,991,995.70 is: 8,984,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,071.45 : 19,923,394.93 = 5,991,995.70 : x
  2. Step 2: Convert to fraction form
    13,287,071.45/19,923,394.93 = 5,991,995.70/x
  3. Step 3: Cross multiply
    13,287,071.45x = 19,923,394.93 × 5,991,995.70
  4. Step 4: Simplify right side
    13,287,071.45x = 119,380,896,734,981.81
  5. Step 5: Solve for x
    x = 119,380,896,734,981.81/13,287,071.45
  6. Step 6: Final answer
    x = 8,984,741.08

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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.