Home / 21,353,595.80-32,023,775.16-7,704,977.12

Finding the Fourth Proportional to 21,353,595.80, 32,023,775.16 and 7,704,977.12

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Solution

The fourth proportional to 21,353,595.80, 32,023,775.16 and 7,704,977.12 is: 11,555,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,595.80 : 32,023,775.16 = 7,704,977.12 : x
  2. Step 2: Convert to fraction form
    21,353,595.80/32,023,775.16 = 7,704,977.12/x
  3. Step 3: Cross multiply
    21,353,595.80x = 32,023,775.16 × 7,704,977.12
  4. Step 4: Simplify right side
    21,353,595.80x = 246,742,454,903,824.34
  5. Step 5: Solve for x
    x = 246,742,454,903,824.34/21,353,595.80
  6. Step 6: Final answer
    x = 11,555,077.52

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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.