Home / 10,502,351.80-15,753,527.70-6,720,105.40

Finding the Fourth Proportional to 10,502,351.80, 15,753,527.70 and 6,720,105.40

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Solution

The fourth proportional to 10,502,351.80, 15,753,527.70 and 6,720,105.40 is: 10,080,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,351.80 : 15,753,527.70 = 6,720,105.40 : x
  2. Step 2: Convert to fraction form
    10,502,351.80/15,753,527.70 = 6,720,105.40/x
  3. Step 3: Cross multiply
    10,502,351.80x = 15,753,527.70 × 6,720,105.40
  4. Step 4: Simplify right side
    10,502,351.80x = 105,865,366,565,819.58
  5. Step 5: Solve for x
    x = 105,865,366,565,819.58/10,502,351.80
  6. Step 6: Final answer
    x = 10,080,158.10

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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.