Home / 8,703,764.28-12,008,125.44-4,979,875.50

Finding the Fourth Proportional to 8,703,764.28, 12,008,125.44 and 4,979,875.50

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Solution

The fourth proportional to 8,703,764.28, 12,008,125.44 and 4,979,875.50 is: 6,870,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,764.28 : 12,008,125.44 = 4,979,875.50 : x
  2. Step 2: Convert to fraction form
    8,703,764.28/12,008,125.44 = 4,979,875.50/x
  3. Step 3: Cross multiply
    8,703,764.28x = 12,008,125.44 × 4,979,875.50
  4. Step 4: Simplify right side
    8,703,764.28x = 59,798,969,679,582.72
  5. Step 5: Solve for x
    x = 59,798,969,679,582.72/8,703,764.28
  6. Step 6: Final answer
    x = 6,870,472.10

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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.