Home / 14,278,224.87-21,399,141.47-6,688,460.07

Finding the Fourth Proportional to 14,278,224.87, 21,399,141.47 and 6,688,460.07

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Solution

The fourth proportional to 14,278,224.87, 21,399,141.47 and 6,688,460.07 is: 10,024,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,224.87 : 21,399,141.47 = 6,688,460.07 : x
  2. Step 2: Convert to fraction form
    14,278,224.87/21,399,141.47 = 6,688,460.07/x
  3. Step 3: Cross multiply
    14,278,224.87x = 21,399,141.47 × 6,688,460.07
  4. Step 4: Simplify right side
    14,278,224.87x = 143,127,303,220,933.81
  5. Step 5: Solve for x
    x = 143,127,303,220,933.81/14,278,224.87
  6. Step 6: Final answer
    x = 10,024,166.49

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1.5x scale

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.