Home / 7,720,964.72-11,573,916.48-3,676,365.80

Finding the Fourth Proportional to 7,720,964.72, 11,573,916.48 and 3,676,365.80

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Solution

The fourth proportional to 7,720,964.72, 11,573,916.48 and 3,676,365.80 is: 5,510,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,964.72 : 11,573,916.48 = 3,676,365.80 : x
  2. Step 2: Convert to fraction form
    7,720,964.72/11,573,916.48 = 3,676,365.80/x
  3. Step 3: Cross multiply
    7,720,964.72x = 11,573,916.48 × 3,676,365.80
  4. Step 4: Simplify right side
    7,720,964.72x = 42,549,950,719,128.38
  5. Step 5: Solve for x
    x = 42,549,950,719,128.38/7,720,964.72
  6. Step 6: Final answer
    x = 5,510,962.98

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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.