Home / 7,931,402.60-10,945,404.90-4,309,730.60

Finding the Fourth Proportional to 7,931,402.60, 10,945,404.90 and 4,309,730.60

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Solution

The fourth proportional to 7,931,402.60, 10,945,404.90 and 4,309,730.60 is: 5,947,465.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,402.60 : 10,945,404.90 = 4,309,730.60 : x
  2. Step 2: Convert to fraction form
    7,931,402.60/10,945,404.90 = 4,309,730.60/x
  3. Step 3: Cross multiply
    7,931,402.60x = 10,945,404.90 × 4,309,730.60
  4. Step 4: Simplify right side
    7,931,402.60x = 47,171,746,426,919.94
  5. Step 5: Solve for x
    x = 47,171,746,426,919.94/7,931,402.60
  6. Step 6: Final answer
    x = 5,947,465.89

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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.