Home / 13,057,552.20-18,000,430.77-9,125,099.31

Finding the Fourth Proportional to 13,057,552.20, 18,000,430.77 and 9,125,099.31

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Solution

The fourth proportional to 13,057,552.20, 18,000,430.77 and 9,125,099.31 is: 12,579,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,552.20 : 18,000,430.77 = 9,125,099.31 : x
  2. Step 2: Convert to fraction form
    13,057,552.20/18,000,430.77 = 9,125,099.31/x
  3. Step 3: Cross multiply
    13,057,552.20x = 18,000,430.77 × 9,125,099.31
  4. Step 4: Simplify right side
    13,057,552.20x = 164,255,718,399,029.78
  5. Step 5: Solve for x
    x = 164,255,718,399,029.78/13,057,552.20
  6. Step 6: Final answer
    x = 12,579,365.25

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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.