Home / 21,781,224.20-30,035,809.86-14,436,507.08

Finding the Fourth Proportional to 21,781,224.20, 30,035,809.86 and 14,436,507.08

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Solution

The fourth proportional to 21,781,224.20, 30,035,809.86 and 14,436,507.08 is: 19,907,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,224.20 : 30,035,809.86 = 14,436,507.08 : x
  2. Step 2: Convert to fraction form
    21,781,224.20/30,035,809.86 = 14,436,507.08/x
  3. Step 3: Cross multiply
    21,781,224.20x = 30,035,809.86 × 14,436,507.08
  4. Step 4: Simplify right side
    21,781,224.20x = 433,612,181,697,423.81
  5. Step 5: Solve for x
    x = 433,612,181,697,423.81/21,781,224.20
  6. Step 6: Final answer
    x = 19,907,612.98

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1.5x scale

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.