Home / 30,328,010.70-45,492,210.45-12,133,725.90

Finding the Fourth Proportional to 30,328,010.70, 45,492,210.45 and 12,133,725.90

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Solution

The fourth proportional to 30,328,010.70, 45,492,210.45 and 12,133,725.90 is: 18,200,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,010.70 : 45,492,210.45 = 12,133,725.90 : x
  2. Step 2: Convert to fraction form
    30,328,010.70/45,492,210.45 = 12,133,725.90/x
  3. Step 3: Cross multiply
    30,328,010.70x = 45,492,210.45 × 12,133,725.90
  4. Step 4: Simplify right side
    30,328,010.70x = 551,990,012,185,415.69
  5. Step 5: Solve for x
    x = 551,990,012,185,415.69/30,328,010.70
  6. Step 6: Final answer
    x = 18,200,666.63

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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.