Home / 15,812,749.05-21,776,335.77-14,827,405.77

Finding the Fourth Proportional to 15,812,749.05, 21,776,335.77 and 14,827,405.77

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Solution

The fourth proportional to 15,812,749.05, 21,776,335.77 and 14,827,405.77 is: 20,419,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,749.05 : 21,776,335.77 = 14,827,405.77 : x
  2. Step 2: Convert to fraction form
    15,812,749.05/21,776,335.77 = 14,827,405.77/x
  3. Step 3: Cross multiply
    15,812,749.05x = 21,776,335.77 × 14,827,405.77
  4. Step 4: Simplify right side
    15,812,749.05x = 322,886,566,645,555.38
  5. Step 5: Solve for x
    x = 322,886,566,645,555.38/15,812,749.05
  6. Step 6: Final answer
    x = 20,419,382.21

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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.