Home / 28,386,924.18-42,579,771.47-7,916,097.52

Finding the Fourth Proportional to 28,386,924.18, 42,579,771.47 and 7,916,097.52

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Solution

The fourth proportional to 28,386,924.18, 42,579,771.47 and 7,916,097.52 is: 11,873,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,924.18 : 42,579,771.47 = 7,916,097.52 : x
  2. Step 2: Convert to fraction form
    28,386,924.18/42,579,771.47 = 7,916,097.52/x
  3. Step 3: Cross multiply
    28,386,924.18x = 42,579,771.47 × 7,916,097.52
  4. Step 4: Simplify right side
    28,386,924.18x = 337,065,623,335,833.75
  5. Step 5: Solve for x
    x = 337,065,623,335,833.75/28,386,924.18
  6. Step 6: Final answer
    x = 11,873,974.83

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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.