Home / 13,609,457.53-18,780,994.75-7,414,484.95

Finding the Fourth Proportional to 13,609,457.53, 18,780,994.75 and 7,414,484.95

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Solution

The fourth proportional to 13,609,457.53, 18,780,994.75 and 7,414,484.95 is: 10,231,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,457.53 : 18,780,994.75 = 7,414,484.95 : x
  2. Step 2: Convert to fraction form
    13,609,457.53/18,780,994.75 = 7,414,484.95/x
  3. Step 3: Cross multiply
    13,609,457.53x = 18,780,994.75 × 7,414,484.95
  4. Step 4: Simplify right side
    13,609,457.53x = 139,251,402,907,471.91
  5. Step 5: Solve for x
    x = 139,251,402,907,471.91/13,609,457.53
  6. Step 6: Final answer
    x = 10,231,958.38

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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.