Home / 15,535,227.36-21,429,834.48-9,723,920.16

Finding the Fourth Proportional to 15,535,227.36, 21,429,834.48 and 9,723,920.16

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Solution

The fourth proportional to 15,535,227.36, 21,429,834.48 and 9,723,920.16 is: 13,413,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535,227.36 : 21,429,834.48 = 9,723,920.16 : x
  2. Step 2: Convert to fraction form
    15,535,227.36/21,429,834.48 = 9,723,920.16/x
  3. Step 3: Cross multiply
    15,535,227.36x = 21,429,834.48 × 9,723,920.16
  4. Step 4: Simplify right side
    15,535,227.36x = 208,381,999,525,535.12
  5. Step 5: Solve for x
    x = 208,381,999,525,535.12/15,535,227.36
  6. Step 6: Final answer
    x = 13,413,514.63

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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.