Home / 15,854,698.32-21,881,019.42-8,886,559.56

Finding the Fourth Proportional to 15,854,698.32, 21,881,019.42 and 8,886,559.56

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Solution

The fourth proportional to 15,854,698.32, 21,881,019.42 and 8,886,559.56 is: 12,264,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,698.32 : 21,881,019.42 = 8,886,559.56 : x
  2. Step 2: Convert to fraction form
    15,854,698.32/21,881,019.42 = 8,886,559.56/x
  3. Step 3: Cross multiply
    15,854,698.32x = 21,881,019.42 × 8,886,559.56
  4. Step 4: Simplify right side
    15,854,698.32x = 194,446,982,309,346.69
  5. Step 5: Solve for x
    x = 194,446,982,309,346.69/15,854,698.32
  6. Step 6: Final answer
    x = 12,264,312.97

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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.