Home / 15,664,033.15-21,617,733.63-9,139,764.49

Finding the Fourth Proportional to 15,664,033.15, 21,617,733.63 and 9,139,764.49

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Solution

The fourth proportional to 15,664,033.15, 21,617,733.63 and 9,139,764.49 is: 12,613,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664,033.15 : 21,617,733.63 = 9,139,764.49 : x
  2. Step 2: Convert to fraction form
    15,664,033.15/21,617,733.63 = 9,139,764.49/x
  3. Step 3: Cross multiply
    15,664,033.15x = 21,617,733.63 × 9,139,764.49
  4. Step 4: Simplify right side
    15,664,033.15x = 197,580,994,185,752.78
  5. Step 5: Solve for x
    x = 197,580,994,185,752.78/15,664,033.15
  6. Step 6: Final answer
    x = 12,613,673.14

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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.