Home / 30,407,615.20-45,547,832.40-14,247,359.20

Finding the Fourth Proportional to 30,407,615.20, 45,547,832.40 and 14,247,359.20

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Solution

The fourth proportional to 30,407,615.20, 45,547,832.40 and 14,247,359.20 is: 21,341,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407,615.20 : 45,547,832.40 = 14,247,359.20 : x
  2. Step 2: Convert to fraction form
    30,407,615.20/45,547,832.40 = 14,247,359.20/x
  3. Step 3: Cross multiply
    30,407,615.20x = 45,547,832.40 × 14,247,359.20
  4. Step 4: Simplify right side
    30,407,615.20x = 648,936,328,984,198
  5. Step 5: Solve for x
    x = 648,936,328,984,198/30,407,615.20
  6. Step 6: Final answer
    x = 21,341,243.79

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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.