Home / 47,336,187.04-70,998,769.32-12,790,947.40

Finding the Fourth Proportional to 47,336,187.04, 70,998,769.32 and 12,790,947.40

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Solution

The fourth proportional to 47,336,187.04, 70,998,769.32 and 12,790,947.40 is: 19,184,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,336,187.04 : 70,998,769.32 = 12,790,947.40 : x
  2. Step 2: Convert to fraction form
    47,336,187.04/70,998,769.32 = 12,790,947.40/x
  3. Step 3: Cross multiply
    47,336,187.04x = 70,998,769.32 × 12,790,947.40
  4. Step 4: Simplify right side
    47,336,187.04x = 908,141,523,836,853.75
  5. Step 5: Solve for x
    x = 908,141,523,836,853.75/47,336,187.04
  6. Step 6: Final answer
    x = 19,184,931.88

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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.