Home / 11,079,079.70-15,289,071.65-6,434,007.13

Finding the Fourth Proportional to 11,079,079.70, 15,289,071.65 and 6,434,007.13

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Solution

The fourth proportional to 11,079,079.70, 15,289,071.65 and 6,434,007.13 is: 8,878,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079,079.70 : 15,289,071.65 = 6,434,007.13 : x
  2. Step 2: Convert to fraction form
    11,079,079.70/15,289,071.65 = 6,434,007.13/x
  3. Step 3: Cross multiply
    11,079,079.70x = 15,289,071.65 × 6,434,007.13
  4. Step 4: Simplify right side
    11,079,079.70x = 98,369,996,007,180.86
  5. Step 5: Solve for x
    x = 98,369,996,007,180.86/11,079,079.70
  6. Step 6: Final answer
    x = 8,878,895.96

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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.