Home / 18,975,646.86-28,433,666.79-14,668,251.90

Finding the Fourth Proportional to 18,975,646.86, 28,433,666.79 and 14,668,251.90

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Solution

The fourth proportional to 18,975,646.86, 28,433,666.79 and 14,668,251.90 is: 21,979,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975,646.86 : 28,433,666.79 = 14,668,251.90 : x
  2. Step 2: Convert to fraction form
    18,975,646.86/28,433,666.79 = 14,668,251.90/x
  3. Step 3: Cross multiply
    18,975,646.86x = 28,433,666.79 × 14,668,251.90
  4. Step 4: Simplify right side
    18,975,646.86x = 417,072,186,916,384.38
  5. Step 5: Solve for x
    x = 417,072,186,916,384.38/18,975,646.86
  6. Step 6: Final answer
    x = 21,979,339.62

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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.