Home / 30,503,820.80-45,732,403.20-15,368,614.40

Finding the Fourth Proportional to 30,503,820.80, 45,732,403.20 and 15,368,614.40

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Solution

The fourth proportional to 30,503,820.80, 45,732,403.20 and 15,368,614.40 is: 23,041,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,820.80 : 45,732,403.20 = 15,368,614.40 : x
  2. Step 2: Convert to fraction form
    30,503,820.80/45,732,403.20 = 15,368,614.40/x
  3. Step 3: Cross multiply
    30,503,820.80x = 45,732,403.20 × 15,368,614.40
  4. Step 4: Simplify right side
    30,503,820.80x = 702,843,670,366,126.12
  5. Step 5: Solve for x
    x = 702,843,670,366,126.12/30,503,820.80
  6. Step 6: Final answer
    x = 23,041,168.35

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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.