Home / 30,767,313.90-42,471,966.63-19,170,606.97

Finding the Fourth Proportional to 30,767,313.90, 42,471,966.63 and 19,170,606.97

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Solution

The fourth proportional to 30,767,313.90, 42,471,966.63 and 19,170,606.97 is: 26,463,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,313.90 : 42,471,966.63 = 19,170,606.97 : x
  2. Step 2: Convert to fraction form
    30,767,313.90/42,471,966.63 = 19,170,606.97/x
  3. Step 3: Cross multiply
    30,767,313.90x = 42,471,966.63 × 19,170,606.97
  4. Step 4: Simplify right side
    30,767,313.90x = 814,213,379,506,685.38
  5. Step 5: Solve for x
    x = 814,213,379,506,685.38/30,767,313.90
  6. Step 6: Final answer
    x = 26,463,583.47

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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.