Home / 7,079,445.20-10,621,416.36-2,982,931.76

Finding the Fourth Proportional to 7,079,445.20, 10,621,416.36 and 2,982,931.76

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Solution

The fourth proportional to 7,079,445.20, 10,621,416.36 and 2,982,931.76 is: 4,475,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,445.20 : 10,621,416.36 = 2,982,931.76 : x
  2. Step 2: Convert to fraction form
    7,079,445.20/10,621,416.36 = 2,982,931.76/x
  3. Step 3: Cross multiply
    7,079,445.20x = 10,621,416.36 × 2,982,931.76
  4. Step 4: Simplify right side
    7,079,445.20x = 31,682,960,196,427.59
  5. Step 5: Solve for x
    x = 31,682,960,196,427.59/7,079,445.20
  6. Step 6: Final answer
    x = 4,475,345.07

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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.