Home / 7,818,145.28-10,788,852.48-4,380,531.20

Finding the Fourth Proportional to 7,818,145.28, 10,788,852.48 and 4,380,531.20

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Solution

The fourth proportional to 7,818,145.28, 10,788,852.48 and 4,380,531.20 is: 6,045,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,145.28 : 10,788,852.48 = 4,380,531.20 : x
  2. Step 2: Convert to fraction form
    7,818,145.28/10,788,852.48 = 4,380,531.20/x
  3. Step 3: Cross multiply
    7,818,145.28x = 10,788,852.48 × 4,380,531.20
  4. Step 4: Simplify right side
    7,818,145.28x = 47,260,904,900,837.38
  5. Step 5: Solve for x
    x = 47,260,904,900,837.38/7,818,145.28
  6. Step 6: Final answer
    x = 6,045,027.72

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1.5x scale

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.