Home / 15,550,429.18-21,463,860.56-9,026,160.56

Finding the Fourth Proportional to 15,550,429.18, 21,463,860.56 and 9,026,160.56

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Solution

The fourth proportional to 15,550,429.18, 21,463,860.56 and 9,026,160.56 is: 12,458,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,429.18 : 21,463,860.56 = 9,026,160.56 : x
  2. Step 2: Convert to fraction form
    15,550,429.18/21,463,860.56 = 9,026,160.56/x
  3. Step 3: Cross multiply
    15,550,429.18x = 21,463,860.56 × 9,026,160.56
  4. Step 4: Simplify right side
    15,550,429.18x = 193,736,251,652,011.50
  5. Step 5: Solve for x
    x = 193,736,251,652,011.50/15,550,429.18
  6. Step 6: Final answer
    x = 12,458,579.08

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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.