Home / 21,966,041.04-30,279,534.60-15,421,310.16

Finding the Fourth Proportional to 21,966,041.04, 30,279,534.60 and 15,421,310.16

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Solution

The fourth proportional to 21,966,041.04, 30,279,534.60 and 15,421,310.16 is: 21,257,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966,041.04 : 30,279,534.60 = 15,421,310.16 : x
  2. Step 2: Convert to fraction form
    21,966,041.04/30,279,534.60 = 15,421,310.16/x
  3. Step 3: Cross multiply
    21,966,041.04x = 30,279,534.60 × 15,421,310.16
  4. Step 4: Simplify right side
    21,966,041.04x = 466,950,094,567,051.56
  5. Step 5: Solve for x
    x = 466,950,094,567,051.56/21,966,041.04
  6. Step 6: Final answer
    x = 21,257,817.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.