Home / 30,407,619.20-45,547,838.40-14,247,363.20

Finding the Fourth Proportional to 30,407,619.20, 45,547,838.40 and 14,247,363.20

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Solution

The fourth proportional to 30,407,619.20, 45,547,838.40 and 14,247,363.20 is: 21,341,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407,619.20 : 45,547,838.40 = 14,247,363.20 : x
  2. Step 2: Convert to fraction form
    30,407,619.20/45,547,838.40 = 14,247,363.20/x
  3. Step 3: Cross multiply
    30,407,619.20x = 45,547,838.40 × 14,247,363.20
  4. Step 4: Simplify right side
    30,407,619.20x = 648,936,596,659,706.88
  5. Step 5: Solve for x
    x = 648,936,596,659,706.88/30,407,619.20
  6. Step 6: Final answer
    x = 21,341,249.78

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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.