Home / 15,547,087.29-21,455,055-8,577,764.48

Finding the Fourth Proportional to 15,547,087.29, 21,455,055 and 8,577,764.48

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Solution

The fourth proportional to 15,547,087.29, 21,455,055 and 8,577,764.48 is: 11,837,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,087.29 : 21,455,055 = 8,577,764.48 : x
  2. Step 2: Convert to fraction form
    15,547,087.29/21,455,055 = 8,577,764.48/x
  3. Step 3: Cross multiply
    15,547,087.29x = 21,455,055 × 8,577,764.48
  4. Step 4: Simplify right side
    15,547,087.29x = 184,036,408,588,171.12
  5. Step 5: Solve for x
    x = 184,036,408,588,171.12/15,547,087.29
  6. Step 6: Final answer
    x = 11,837,356.10

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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.