Home / 20,736,027.80-31,104,041.70-19,224,373.40

Finding the Fourth Proportional to 20,736,027.80, 31,104,041.70 and 19,224,373.40

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Solution

The fourth proportional to 20,736,027.80, 31,104,041.70 and 19,224,373.40 is: 28,836,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,027.80 : 31,104,041.70 = 19,224,373.40 : x
  2. Step 2: Convert to fraction form
    20,736,027.80/31,104,041.70 = 19,224,373.40/x
  3. Step 3: Cross multiply
    20,736,027.80x = 31,104,041.70 × 19,224,373.40
  4. Step 4: Simplify right side
    20,736,027.80x = 597,955,711,889,970.75
  5. Step 5: Solve for x
    x = 597,955,711,889,970.75/20,736,027.80
  6. Step 6: Final answer
    x = 28,836,560.10

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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.