Home / 13,406,802.48-20,084,830.88-7,925,486.80

Finding the Fourth Proportional to 13,406,802.48, 20,084,830.88 and 7,925,486.80

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Solution

The fourth proportional to 13,406,802.48, 20,084,830.88 and 7,925,486.80 is: 11,873,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,802.48 : 20,084,830.88 = 7,925,486.80 : x
  2. Step 2: Convert to fraction form
    13,406,802.48/20,084,830.88 = 7,925,486.80/x
  3. Step 3: Cross multiply
    13,406,802.48x = 20,084,830.88 × 7,925,486.80
  4. Step 4: Simplify right side
    13,406,802.48x = 159,182,062,019,672.38
  5. Step 5: Solve for x
    x = 159,182,062,019,672.38/13,406,802.48
  6. Step 6: Final answer
    x = 11,873,230.94

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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.