Home / 14,688,385.68-20,269,567.80-8,161,846.32

Finding the Fourth Proportional to 14,688,385.68, 20,269,567.80 and 8,161,846.32

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Solution

The fourth proportional to 14,688,385.68, 20,269,567.80 and 8,161,846.32 is: 11,263,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,385.68 : 20,269,567.80 = 8,161,846.32 : x
  2. Step 2: Convert to fraction form
    14,688,385.68/20,269,567.80 = 8,161,846.32/x
  3. Step 3: Cross multiply
    14,688,385.68x = 20,269,567.80 × 8,161,846.32
  4. Step 4: Simplify right side
    14,688,385.68x = 165,437,097,356,420.50
  5. Step 5: Solve for x
    x = 165,437,097,356,420.50/14,688,385.68
  6. Step 6: Final answer
    x = 11,263,123.19

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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.