Home / 13,746,995.49-18,968,744.91-7,944,656.76

Finding the Fourth Proportional to 13,746,995.49, 18,968,744.91 and 7,944,656.76

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Solution

The fourth proportional to 13,746,995.49, 18,968,744.91 and 7,944,656.76 is: 10,962,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,995.49 : 18,968,744.91 = 7,944,656.76 : x
  2. Step 2: Convert to fraction form
    13,746,995.49/18,968,744.91 = 7,944,656.76/x
  3. Step 3: Cross multiply
    13,746,995.49x = 18,968,744.91 × 7,944,656.76
  4. Step 4: Simplify right side
    13,746,995.49x = 150,700,167,477,947.09
  5. Step 5: Solve for x
    x = 150,700,167,477,947.09/13,746,995.49
  6. Step 6: Final answer
    x = 10,962,407.57

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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.