Home / 7,875,312.60-11,789,349.30-4,678,793.40

Finding the Fourth Proportional to 7,875,312.60, 11,789,349.30 and 4,678,793.40

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Solution

The fourth proportional to 7,875,312.60, 11,789,349.30 and 4,678,793.40 is: 7,004,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,312.60 : 11,789,349.30 = 4,678,793.40 : x
  2. Step 2: Convert to fraction form
    7,875,312.60/11,789,349.30 = 4,678,793.40/x
  3. Step 3: Cross multiply
    7,875,312.60x = 11,789,349.30 × 4,678,793.40
  4. Step 4: Simplify right side
    7,875,312.60x = 55,159,929,695,134.62
  5. Step 5: Solve for x
    x = 55,159,929,695,134.62/7,875,312.60
  6. Step 6: Final answer
    x = 7,004,157.49

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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.