Home / 21,546,083.40-32,319,125.10-7,169,620.20

Finding the Fourth Proportional to 21,546,083.40, 32,319,125.10 and 7,169,620.20

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Solution

The fourth proportional to 21,546,083.40, 32,319,125.10 and 7,169,620.20 is: 10,754,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,083.40 : 32,319,125.10 = 7,169,620.20 : x
  2. Step 2: Convert to fraction form
    21,546,083.40/32,319,125.10 = 7,169,620.20/x
  3. Step 3: Cross multiply
    21,546,083.40x = 32,319,125.10 × 7,169,620.20
  4. Step 4: Simplify right side
    21,546,083.40x = 231,715,852,163,287.03
  5. Step 5: Solve for x
    x = 231,715,852,163,287.03/21,546,083.40
  6. Step 6: Final answer
    x = 10,754,430.30

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1.5x scale

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.