Home / 15,365,894.40-23,018,515.20-7,798,291.20

Finding the Fourth Proportional to 15,365,894.40, 23,018,515.20 and 7,798,291.20

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Solution

The fourth proportional to 15,365,894.40, 23,018,515.20 and 7,798,291.20 is: 11,682,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,894.40 : 23,018,515.20 = 7,798,291.20 : x
  2. Step 2: Convert to fraction form
    15,365,894.40/23,018,515.20 = 7,798,291.20/x
  3. Step 3: Cross multiply
    15,365,894.40x = 23,018,515.20 × 7,798,291.20
  4. Step 4: Simplify right side
    15,365,894.40x = 179,505,084,521,226.25
  5. Step 5: Solve for x
    x = 179,505,084,521,226.25/15,365,894.40
  6. Step 6: Final answer
    x = 11,682,045.96

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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.