Home / 21,845,889.60-32,778,019.80-11,736,700.80

Finding the Fourth Proportional to 21,845,889.60, 32,778,019.80 and 11,736,700.80

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Solution

The fourth proportional to 21,845,889.60, 32,778,019.80 and 11,736,700.80 is: 17,609,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,889.60 : 32,778,019.80 = 11,736,700.80 : x
  2. Step 2: Convert to fraction form
    21,845,889.60/32,778,019.80 = 11,736,700.80/x
  3. Step 3: Cross multiply
    21,845,889.60x = 32,778,019.80 × 11,736,700.80
  4. Step 4: Simplify right side
    21,845,889.60x = 384,705,811,209,075.88
  5. Step 5: Solve for x
    x = 384,705,811,209,075.88/21,845,889.60
  6. Step 6: Final answer
    x = 17,609,986.05

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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.