Home / 14,717,312.91-20,309,689.38-8,190,941.32

Finding the Fourth Proportional to 14,717,312.91, 20,309,689.38 and 8,190,941.32

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Solution

The fourth proportional to 14,717,312.91, 20,309,689.38 and 8,190,941.32 is: 11,303,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717,312.91 : 20,309,689.38 = 8,190,941.32 : x
  2. Step 2: Convert to fraction form
    14,717,312.91/20,309,689.38 = 8,190,941.32/x
  3. Step 3: Cross multiply
    14,717,312.91x = 20,309,689.38 × 8,190,941.32
  4. Step 4: Simplify right side
    14,717,312.91x = 166,355,473,916,074.94
  5. Step 5: Solve for x
    x = 166,355,473,916,074.94/14,717,312.91
  6. Step 6: Final answer
    x = 11,303,386.36

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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.