Home / 13,147,421.48-19,722,123.79-3,924,665.80

Finding the Fourth Proportional to 13,147,421.48, 19,722,123.79 and 3,924,665.80

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Solution

The fourth proportional to 13,147,421.48, 19,722,123.79 and 3,924,665.80 is: 5,887,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,421.48 : 19,722,123.79 = 3,924,665.80 : x
  2. Step 2: Convert to fraction form
    13,147,421.48/19,722,123.79 = 3,924,665.80/x
  3. Step 3: Cross multiply
    13,147,421.48x = 19,722,123.79 × 3,924,665.80
  4. Step 4: Simplify right side
    13,147,421.48x = 77,402,744,643,368.77
  5. Step 5: Solve for x
    x = 77,402,744,643,368.77/13,147,421.48
  6. Step 6: Final answer
    x = 5,887,294.69

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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.