Home / 10,419,678.30-15,628,098.59-2,742,680.22

Finding the Fourth Proportional to 10,419,678.30, 15,628,098.59 and 2,742,680.22

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Solution

The fourth proportional to 10,419,678.30, 15,628,098.59 and 2,742,680.22 is: 4,113,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,678.30 : 15,628,098.59 = 2,742,680.22 : x
  2. Step 2: Convert to fraction form
    10,419,678.30/15,628,098.59 = 2,742,680.22/x
  3. Step 3: Cross multiply
    10,419,678.30x = 15,628,098.59 × 2,742,680.22
  4. Step 4: Simplify right side
    10,419,678.30x = 42,862,876,879,002.89
  5. Step 5: Solve for x
    x = 42,862,876,879,002.89/10,419,678.30
  6. Step 6: Final answer
    x = 4,113,646.86

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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.