Home / 18,725,734.88-28,088,602.32-5,262,562.88

Finding the Fourth Proportional to 18,725,734.88, 28,088,602.32 and 5,262,562.88

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Solution

The fourth proportional to 18,725,734.88, 28,088,602.32 and 5,262,562.88 is: 7,893,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,734.88 : 28,088,602.32 = 5,262,562.88 : x
  2. Step 2: Convert to fraction form
    18,725,734.88/28,088,602.32 = 5,262,562.88/x
  3. Step 3: Cross multiply
    18,725,734.88x = 28,088,602.32 × 5,262,562.88
  4. Step 4: Simplify right side
    18,725,734.88x = 147,818,035,779,870.88
  5. Step 5: Solve for x
    x = 147,818,035,779,870.88/18,725,734.88
  6. Step 6: Final answer
    x = 7,893,844.31

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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.