Home / 21,367,412.15-29,487,054.69-11,577,848.76

Finding the Fourth Proportional to 21,367,412.15, 29,487,054.69 and 11,577,848.76

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Solution

The fourth proportional to 21,367,412.15, 29,487,054.69 and 11,577,848.76 is: 15,977,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,412.15 : 29,487,054.69 = 11,577,848.76 : x
  2. Step 2: Convert to fraction form
    21,367,412.15/29,487,054.69 = 11,577,848.76/x
  3. Step 3: Cross multiply
    21,367,412.15x = 29,487,054.69 × 11,577,848.76
  4. Step 4: Simplify right side
    21,367,412.15x = 341,396,659,578,668.69
  5. Step 5: Solve for x
    x = 341,396,659,578,668.69/21,367,412.15
  6. Step 6: Final answer
    x = 15,977,445.34

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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.