Home / 31,417,903.67-43,356,423.62-17,666,966.21

Finding the Fourth Proportional to 31,417,903.67, 43,356,423.62 and 17,666,966.21

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Solution

The fourth proportional to 31,417,903.67, 43,356,423.62 and 17,666,966.21 is: 24,380,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417,903.67 : 43,356,423.62 = 17,666,966.21 : x
  2. Step 2: Convert to fraction form
    31,417,903.67/43,356,423.62 = 17,666,966.21/x
  3. Step 3: Cross multiply
    31,417,903.67x = 43,356,423.62 × 17,666,966.21
  4. Step 4: Simplify right side
    31,417,903.67x = 765,976,470,908,371.12
  5. Step 5: Solve for x
    x = 765,976,470,908,371.12/31,417,903.67
  6. Step 6: Final answer
    x = 24,380,253.98

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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.