Home / 21,578,412.60-32,363,471.70-6,432,838.20

Finding the Fourth Proportional to 21,578,412.60, 32,363,471.70 and 6,432,838.20

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Solution

The fourth proportional to 21,578,412.60, 32,363,471.70 and 6,432,838.20 is: 9,648,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,412.60 : 32,363,471.70 = 6,432,838.20 : x
  2. Step 2: Convert to fraction form
    21,578,412.60/32,363,471.70 = 6,432,838.20/x
  3. Step 3: Cross multiply
    21,578,412.60x = 32,363,471.70 × 6,432,838.20
  4. Step 4: Simplify right side
    21,578,412.60x = 208,188,977,036,378.94
  5. Step 5: Solve for x
    x = 208,188,977,036,378.94/21,578,412.60
  6. Step 6: Final answer
    x = 9,648,020.96

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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.