Home / 20,676,208.68-31,014,320.31-9,303,371.28

Finding the Fourth Proportional to 20,676,208.68, 31,014,320.31 and 9,303,371.28

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Solution

The fourth proportional to 20,676,208.68, 31,014,320.31 and 9,303,371.28 is: 13,955,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,208.68 : 31,014,320.31 = 9,303,371.28 : x
  2. Step 2: Convert to fraction form
    20,676,208.68/31,014,320.31 = 9,303,371.28/x
  3. Step 3: Cross multiply
    20,676,208.68x = 31,014,320.31 × 9,303,371.28
  4. Step 4: Simplify right side
    20,676,208.68x = 288,537,736,840,774.69
  5. Step 5: Solve for x
    x = 288,537,736,840,774.69/20,676,208.68
  6. Step 6: Final answer
    x = 13,955,060.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.