Home / 11,819,217.04-16,307,741.34-7,172,899

Finding the Fourth Proportional to 11,819,217.04, 16,307,741.34 and 7,172,899

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Solution

The fourth proportional to 11,819,217.04, 16,307,741.34 and 7,172,899 is: 9,896,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,217.04 : 16,307,741.34 = 7,172,899 : x
  2. Step 2: Convert to fraction form
    11,819,217.04/16,307,741.34 = 7,172,899/x
  3. Step 3: Cross multiply
    11,819,217.04x = 16,307,741.34 × 7,172,899
  4. Step 4: Simplify right side
    11,819,217.04x = 116,973,781,549,944.66
  5. Step 5: Solve for x
    x = 116,973,781,549,944.66/11,819,217.04
  6. Step 6: Final answer
    x = 9,896,914.59

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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.