Home / 8,130,977.50-11,233,928.76-6,920,079.34

Finding the Fourth Proportional to 8,130,977.50, 11,233,928.76 and 6,920,079.34

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Solution

The fourth proportional to 8,130,977.50, 11,233,928.76 and 6,920,079.34 is: 9,560,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,977.50 : 11,233,928.76 = 6,920,079.34 : x
  2. Step 2: Convert to fraction form
    8,130,977.50/11,233,928.76 = 6,920,079.34/x
  3. Step 3: Cross multiply
    8,130,977.50x = 11,233,928.76 × 6,920,079.34
  4. Step 4: Simplify right side
    8,130,977.50x = 77,739,678,319,107.81
  5. Step 5: Solve for x
    x = 77,739,678,319,107.81/8,130,977.50
  6. Step 6: Final answer
    x = 9,560,926.51

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Double scale
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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.