Home / 12,715,834.36-17,547,317.26-7,209,579.64

Finding the Fourth Proportional to 12,715,834.36, 17,547,317.26 and 7,209,579.64

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Solution

The fourth proportional to 12,715,834.36, 17,547,317.26 and 7,209,579.64 is: 9,948,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,834.36 : 17,547,317.26 = 7,209,579.64 : x
  2. Step 2: Convert to fraction form
    12,715,834.36/17,547,317.26 = 7,209,579.64/x
  3. Step 3: Cross multiply
    12,715,834.36x = 17,547,317.26 × 7,209,579.64
  4. Step 4: Simplify right side
    12,715,834.36x = 126,508,781,254,316.59
  5. Step 5: Solve for x
    x = 126,508,781,254,316.59/12,715,834.36
  6. Step 6: Final answer
    x = 9,948,917.05

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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.