Home / 21,563,928.40-32,336,561.40-8,780,184.40

Finding the Fourth Proportional to 21,563,928.40, 32,336,561.40 and 8,780,184.40

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Solution

The fourth proportional to 21,563,928.40, 32,336,561.40 and 8,780,184.40 is: 13,166,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,928.40 : 32,336,561.40 = 8,780,184.40 : x
  2. Step 2: Convert to fraction form
    21,563,928.40/32,336,561.40 = 8,780,184.40/x
  3. Step 3: Cross multiply
    21,563,928.40x = 32,336,561.40 × 8,780,184.40
  4. Step 4: Simplify right side
    21,563,928.40x = 283,920,971,953,922.19
  5. Step 5: Solve for x
    x = 283,920,971,953,922.19/21,563,928.40
  6. Step 6: Final answer
    x = 13,166,477.22

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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.