Home / 7,547,585.05-10,415,791.79-4,109,893.21

Finding the Fourth Proportional to 7,547,585.05, 10,415,791.79 and 4,109,893.21

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Solution

The fourth proportional to 7,547,585.05, 10,415,791.79 and 4,109,893.21 is: 5,671,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547,585.05 : 10,415,791.79 = 4,109,893.21 : x
  2. Step 2: Convert to fraction form
    7,547,585.05/10,415,791.79 = 4,109,893.21/x
  3. Step 3: Cross multiply
    7,547,585.05x = 10,415,791.79 × 4,109,893.21
  4. Step 4: Simplify right side
    7,547,585.05x = 42,807,791,954,494.74
  5. Step 5: Solve for x
    x = 42,807,791,954,494.74/7,547,585.05
  6. Step 6: Final answer
    x = 5,671,720.38

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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.