Home / 7,176,762.81-9,904,171.86-3,913,756.11

Finding the Fourth Proportional to 7,176,762.81, 9,904,171.86 and 3,913,756.11

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Solution

The fourth proportional to 7,176,762.81, 9,904,171.86 and 3,913,756.11 is: 5,401,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,762.81 : 9,904,171.86 = 3,913,756.11 : x
  2. Step 2: Convert to fraction form
    7,176,762.81/9,904,171.86 = 3,913,756.11/x
  3. Step 3: Cross multiply
    7,176,762.81x = 9,904,171.86 × 3,913,756.11
  4. Step 4: Simplify right side
    7,176,762.81x = 38,762,513,131,565.06
  5. Step 5: Solve for x
    x = 38,762,513,131,565.06/7,176,762.81
  6. Step 6: Final answer
    x = 5,401,113.87

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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.