Home / 14,688,009.76-20,269,909.92-8,072,478.22

Finding the Fourth Proportional to 14,688,009.76, 20,269,909.92 and 8,072,478.22

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Solution

The fourth proportional to 14,688,009.76, 20,269,909.92 and 8,072,478.22 is: 11,140,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,009.76 : 20,269,909.92 = 8,072,478.22 : x
  2. Step 2: Convert to fraction form
    14,688,009.76/20,269,909.92 = 8,072,478.22/x
  3. Step 3: Cross multiply
    14,688,009.76x = 20,269,909.92 × 8,072,478.22
  4. Step 4: Simplify right side
    14,688,009.76x = 163,628,406,350,561.94
  5. Step 5: Solve for x
    x = 163,628,406,350,561.94/14,688,009.76
  6. Step 6: Final answer
    x = 11,140,270.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.