Home / 13,079,270.56-18,039,168.16-8,497,068.32

Finding the Fourth Proportional to 13,079,270.56, 18,039,168.16 and 8,497,068.32

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Solution

The fourth proportional to 13,079,270.56, 18,039,168.16 and 8,497,068.32 is: 11,719,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,270.56 : 18,039,168.16 = 8,497,068.32 : x
  2. Step 2: Convert to fraction form
    13,079,270.56/18,039,168.16 = 8,497,068.32/x
  3. Step 3: Cross multiply
    13,079,270.56x = 18,039,168.16 × 8,497,068.32
  4. Step 4: Simplify right side
    13,079,270.56x = 153,280,044,291,488.69
  5. Step 5: Solve for x
    x = 153,280,044,291,488.69/13,079,270.56
  6. Step 6: Final answer
    x = 11,719,311.38

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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.