Home / 30,921,230.40-46,387,547.51-10,172,836.14

Finding the Fourth Proportional to 30,921,230.40, 46,387,547.51 and 10,172,836.14

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Solution

The fourth proportional to 30,921,230.40, 46,387,547.51 and 10,172,836.14 is: 15,261,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,230.40 : 46,387,547.51 = 10,172,836.14 : x
  2. Step 2: Convert to fraction form
    30,921,230.40/46,387,547.51 = 10,172,836.14/x
  3. Step 3: Cross multiply
    30,921,230.40x = 46,387,547.51 × 10,172,836.14
  4. Step 4: Simplify right side
    30,921,230.40x = 471,892,919,704,830.88
  5. Step 5: Solve for x
    x = 471,892,919,704,830.88/30,921,230.40
  6. Step 6: Final answer
    x = 15,261,130.09

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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.