Home / 19,901,073.16-29,851,509.54-7,771,768.30

Finding the Fourth Proportional to 19,901,073.16, 29,851,509.54 and 7,771,768.30

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Solution

The fourth proportional to 19,901,073.16, 29,851,509.54 and 7,771,768.30 is: 11,657,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901,073.16 : 29,851,509.54 = 7,771,768.30 : x
  2. Step 2: Convert to fraction form
    19,901,073.16/29,851,509.54 = 7,771,768.30/x
  3. Step 3: Cross multiply
    19,901,073.16x = 29,851,509.54 × 7,771,768.30
  4. Step 4: Simplify right side
    19,901,073.16x = 231,999,015,550,119.56
  5. Step 5: Solve for x
    x = 231,999,015,550,119.56/19,901,073.16
  6. Step 6: Final answer
    x = 11,657,613.32

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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.