Home / 12,637,663.34-17,439,922.89-6,836,430.78

Finding the Fourth Proportional to 12,637,663.34, 17,439,922.89 and 6,836,430.78

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Solution

The fourth proportional to 12,637,663.34, 17,439,922.89 and 6,836,430.78 is: 9,434,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,663.34 : 17,439,922.89 = 6,836,430.78 : x
  2. Step 2: Convert to fraction form
    12,637,663.34/17,439,922.89 = 6,836,430.78/x
  3. Step 3: Cross multiply
    12,637,663.34x = 17,439,922.89 × 6,836,430.78
  4. Step 4: Simplify right side
    12,637,663.34x = 119,226,825,646,022.56
  5. Step 5: Solve for x
    x = 119,226,825,646,022.56/12,637,663.34
  6. Step 6: Final answer
    x = 9,434,246.07

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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.