Home / 7,298,142.72-10,071,411.72-4,078,878.72

Finding the Fourth Proportional to 7,298,142.72, 10,071,411.72 and 4,078,878.72

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Solution

The fourth proportional to 7,298,142.72, 10,071,411.72 and 4,078,878.72 is: 5,628,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,142.72 : 10,071,411.72 = 4,078,878.72 : x
  2. Step 2: Convert to fraction form
    7,298,142.72/10,071,411.72 = 4,078,878.72/x
  3. Step 3: Cross multiply
    7,298,142.72x = 10,071,411.72 × 4,078,878.72
  4. Step 4: Simplify right side
    7,298,142.72x = 41,080,066,945,066.60
  5. Step 5: Solve for x
    x = 41,080,066,945,066.60/7,298,142.72
  6. Step 6: Final answer
    x = 5,628,838.53

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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.