Home / 19,938,933.20-29,887,404.60-7,803,707.60

Finding the Fourth Proportional to 19,938,933.20, 29,887,404.60 and 7,803,707.60

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Solution

The fourth proportional to 19,938,933.20, 29,887,404.60 and 7,803,707.60 is: 11,697,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,933.20 : 29,887,404.60 = 7,803,707.60 : x
  2. Step 2: Convert to fraction form
    19,938,933.20/29,887,404.60 = 7,803,707.60/x
  3. Step 3: Cross multiply
    19,938,933.20x = 29,887,404.60 × 7,803,707.60
  4. Step 4: Simplify right side
    19,938,933.20x = 233,232,566,421,294.97
  5. Step 5: Solve for x
    x = 233,232,566,421,294.97/19,938,933.20
  6. Step 6: Final answer
    x = 11,697,344.29

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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.