Home / 38,013,445.90-52,459,661.73-21,493,215.58

Finding the Fourth Proportional to 38,013,445.90, 52,459,661.73 and 21,493,215.58

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Solution

The fourth proportional to 38,013,445.90, 52,459,661.73 and 21,493,215.58 is: 29,661,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,445.90 : 52,459,661.73 = 21,493,215.58 : x
  2. Step 2: Convert to fraction form
    38,013,445.90/52,459,661.73 = 21,493,215.58/x
  3. Step 3: Cross multiply
    38,013,445.90x = 52,459,661.73 × 21,493,215.58
  4. Step 4: Simplify right side
    38,013,445.90x = 1,127,526,818,816,765.50
  5. Step 5: Solve for x
    x = 1,127,526,818,816,765.50/38,013,445.90
  6. Step 6: Final answer
    x = 29,661,263.06

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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.