Home / 13,058,007.99-18,018,618.51-7,550,547.85

Finding the Fourth Proportional to 13,058,007.99, 18,018,618.51 and 7,550,547.85

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Solution

The fourth proportional to 13,058,007.99, 18,018,618.51 and 7,550,547.85 is: 10,418,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,007.99 : 18,018,618.51 = 7,550,547.85 : x
  2. Step 2: Convert to fraction form
    13,058,007.99/18,018,618.51 = 7,550,547.85/x
  3. Step 3: Cross multiply
    13,058,007.99x = 18,018,618.51 × 7,550,547.85
  4. Step 4: Simplify right side
    13,058,007.99x = 136,050,441,250,650.70
  5. Step 5: Solve for x
    x = 136,050,441,250,650.70/13,058,007.99
  6. Step 6: Final answer
    x = 10,418,927.71

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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.