Home / 21,705,808.80-32,563,378.80-6,561,271.20

Finding the Fourth Proportional to 21,705,808.80, 32,563,378.80 and 6,561,271.20

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Solution

The fourth proportional to 21,705,808.80, 32,563,378.80 and 6,561,271.20 is: 9,843,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,808.80 : 32,563,378.80 = 6,561,271.20 : x
  2. Step 2: Convert to fraction form
    21,705,808.80/32,563,378.80 = 6,561,271.20/x
  3. Step 3: Cross multiply
    21,705,808.80x = 32,563,378.80 × 6,561,271.20
  4. Step 4: Simplify right side
    21,705,808.80x = 213,657,159,495,130.56
  5. Step 5: Solve for x
    x = 213,657,159,495,130.56/21,705,808.80
  6. Step 6: Final answer
    x = 9,843,317.13

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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.