Home / 30,921,228.66-46,387,544.88-10,172,834.40

Finding the Fourth Proportional to 30,921,228.66, 46,387,544.88 and 10,172,834.40

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Solution

The fourth proportional to 30,921,228.66, 46,387,544.88 and 10,172,834.40 is: 15,261,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,228.66 : 46,387,544.88 = 10,172,834.40 : x
  2. Step 2: Convert to fraction form
    30,921,228.66/46,387,544.88 = 10,172,834.40/x
  3. Step 3: Cross multiply
    30,921,228.66x = 46,387,544.88 × 10,172,834.40
  4. Step 4: Simplify right side
    30,921,228.66x = 471,892,812,286,807.94
  5. Step 5: Solve for x
    x = 471,892,812,286,807.94/30,921,228.66
  6. Step 6: Final answer
    x = 15,261,127.48

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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.