Home / 5,178,730.10-7,768,095.15-5,178,730.10

Finding the Fourth Proportional to 5,178,730.10, 7,768,095.15 and 5,178,730.10

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Solution

The fourth proportional to 5,178,730.10, 7,768,095.15 and 5,178,730.10 is: 7,768,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,730.10 : 7,768,095.15 = 5,178,730.10 : x
  2. Step 2: Convert to fraction form
    5,178,730.10/7,768,095.15 = 5,178,730.10/x
  3. Step 3: Cross multiply
    5,178,730.10x = 7,768,095.15 × 5,178,730.10
  4. Step 4: Simplify right side
    5,178,730.10x = 40,228,868,172,969.02
  5. Step 5: Solve for x
    x = 40,228,868,172,969.02/5,178,730.10
  6. Step 6: Final answer
    x = 7,768,095.15

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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.