Home / 15,613,941-21,560,535.54-9,822,415.08

Finding the Fourth Proportional to 15,613,941, 21,560,535.54 and 9,822,415.08

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Solution

The fourth proportional to 15,613,941, 21,560,535.54 and 9,822,415.08 is: 13,563,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,941 : 21,560,535.54 = 9,822,415.08 : x
  2. Step 2: Convert to fraction form
    15,613,941/21,560,535.54 = 9,822,415.08/x
  3. Step 3: Cross multiply
    15,613,941x = 21,560,535.54 × 9,822,415.08
  4. Step 4: Simplify right side
    15,613,941x = 211,776,529,420,971.94
  5. Step 5: Solve for x
    x = 211,776,529,420,971.94/15,613,941
  6. Step 6: Final answer
    x = 13,563,297.66

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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.