Home / 14,077,985.38-19,427,619.82-7,639,457.38

Finding the Fourth Proportional to 14,077,985.38, 19,427,619.82 and 7,639,457.38

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Solution

The fourth proportional to 14,077,985.38, 19,427,619.82 and 7,639,457.38 is: 10,542,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,985.38 : 19,427,619.82 = 7,639,457.38 : x
  2. Step 2: Convert to fraction form
    14,077,985.38/19,427,619.82 = 7,639,457.38/x
  3. Step 3: Cross multiply
    14,077,985.38x = 19,427,619.82 × 7,639,457.38
  4. Step 4: Simplify right side
    14,077,985.38x = 148,416,473,609,733.28
  5. Step 5: Solve for x
    x = 148,416,473,609,733.28/14,077,985.38
  6. Step 6: Final answer
    x = 10,542,451.18

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1.5x scale

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.