Home / 8,880,971.38-12,255,842.72-5,209,950.40

Finding the Fourth Proportional to 8,880,971.38, 12,255,842.72 and 5,209,950.40

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Solution

The fourth proportional to 8,880,971.38, 12,255,842.72 and 5,209,950.40 is: 7,189,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,971.38 : 12,255,842.72 = 5,209,950.40 : x
  2. Step 2: Convert to fraction form
    8,880,971.38/12,255,842.72 = 5,209,950.40/x
  3. Step 3: Cross multiply
    8,880,971.38x = 12,255,842.72 × 5,209,950.40
  4. Step 4: Simplify right side
    8,880,971.38x = 63,852,332,681,401.09
  5. Step 5: Solve for x
    x = 63,852,332,681,401.09/8,880,971.38
  6. Step 6: Final answer
    x = 7,189,791.52

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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.