Home / 28,510,888.74-42,770,600.90-10,319,340.19

Finding the Fourth Proportional to 28,510,888.74, 42,770,600.90 and 10,319,340.19

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Solution

The fourth proportional to 28,510,888.74, 42,770,600.90 and 10,319,340.19 is: 15,480,554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,888.74 : 42,770,600.90 = 10,319,340.19 : x
  2. Step 2: Convert to fraction form
    28,510,888.74/42,770,600.90 = 10,319,340.19/x
  3. Step 3: Cross multiply
    28,510,888.74x = 42,770,600.90 × 10,319,340.19
  4. Step 4: Simplify right side
    28,510,888.74x = 441,364,380,817,820.12
  5. Step 5: Solve for x
    x = 441,364,380,817,820.12/28,510,888.74
  6. Step 6: Final answer
    x = 15,480,554.99

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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.