Home / 30,602,290.68-45,882,129.76-13,553,721.72

Finding the Fourth Proportional to 30,602,290.68, 45,882,129.76 and 13,553,721.72

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Solution

The fourth proportional to 30,602,290.68, 45,882,129.76 and 13,553,721.72 is: 20,321,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,290.68 : 45,882,129.76 = 13,553,721.72 : x
  2. Step 2: Convert to fraction form
    30,602,290.68/45,882,129.76 = 13,553,721.72/x
  3. Step 3: Cross multiply
    30,602,290.68x = 45,882,129.76 × 13,553,721.72
  4. Step 4: Simplify right side
    30,602,290.68x = 621,873,618,687,970.38
  5. Step 5: Solve for x
    x = 621,873,618,687,970.38/30,602,290.68
  6. Step 6: Final answer
    x = 20,321,146.06

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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.