Home / 15,761,931.08-21,751,189.62-8,886,417.80

Finding the Fourth Proportional to 15,761,931.08, 21,751,189.62 and 8,886,417.80

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Solution

The fourth proportional to 15,761,931.08, 21,751,189.62 and 8,886,417.80 is: 12,263,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761,931.08 : 21,751,189.62 = 8,886,417.80 : x
  2. Step 2: Convert to fraction form
    15,761,931.08/21,751,189.62 = 8,886,417.80/x
  3. Step 3: Cross multiply
    15,761,931.08x = 21,751,189.62 × 8,886,417.80
  4. Step 4: Simplify right side
    15,761,931.08x = 193,290,158,610,343.25
  5. Step 5: Solve for x
    x = 193,290,158,610,343.25/15,761,931.08
  6. Step 6: Final answer
    x = 12,263,101.37

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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.