Home / 18,101,947.20-27,152,920.80-10,827,110.40

Finding the Fourth Proportional to 18,101,947.20, 27,152,920.80 and 10,827,110.40

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Solution

The fourth proportional to 18,101,947.20, 27,152,920.80 and 10,827,110.40 is: 16,240,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101,947.20 : 27,152,920.80 = 10,827,110.40 : x
  2. Step 2: Convert to fraction form
    18,101,947.20/27,152,920.80 = 10,827,110.40/x
  3. Step 3: Cross multiply
    18,101,947.20x = 27,152,920.80 × 10,827,110.40
  4. Step 4: Simplify right side
    18,101,947.20x = 293,987,671,184,056.31
  5. Step 5: Solve for x
    x = 293,987,671,184,056.31/18,101,947.20
  6. Step 6: Final answer
    x = 16,240,665.60

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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.