Home / 13,624,666-18,802,493.12-7,430,051.74

Finding the Fourth Proportional to 13,624,666, 18,802,493.12 and 7,430,051.74

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Solution

The fourth proportional to 13,624,666, 18,802,493.12 and 7,430,051.74 is: 10,253,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,666 : 18,802,493.12 = 7,430,051.74 : x
  2. Step 2: Convert to fraction form
    13,624,666/18,802,493.12 = 7,430,051.74/x
  3. Step 3: Cross multiply
    13,624,666x = 18,802,493.12 × 7,430,051.74
  4. Step 4: Simplify right side
    13,624,666x = 139,703,496,722,594.05
  5. Step 5: Solve for x
    x = 139,703,496,722,594.05/13,624,666
  6. Step 6: Final answer
    x = 10,253,719.01

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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.