Home / 30,289,316.20-45,449,720.70-13,251,711.40

Finding the Fourth Proportional to 30,289,316.20, 45,449,720.70 and 13,251,711.40

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Solution

The fourth proportional to 30,289,316.20, 45,449,720.70 and 13,251,711.40 is: 19,884,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,316.20 : 45,449,720.70 = 13,251,711.40 : x
  2. Step 2: Convert to fraction form
    30,289,316.20/45,449,720.70 = 13,251,711.40/x
  3. Step 3: Cross multiply
    30,289,316.20x = 45,449,720.70 × 13,251,711.40
  4. Step 4: Simplify right side
    30,289,316.20x = 602,286,581,927,006
  5. Step 5: Solve for x
    x = 602,286,581,927,006/30,289,316.20
  6. Step 6: Final answer
    x = 19,884,456.22

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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.