Home / 21,913,345.96-32,806,059.90-12,787,478.44

Finding the Fourth Proportional to 21,913,345.96, 32,806,059.90 and 12,787,478.44

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Solution

The fourth proportional to 21,913,345.96, 32,806,059.90 and 12,787,478.44 is: 19,143,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,345.96 : 32,806,059.90 = 12,787,478.44 : x
  2. Step 2: Convert to fraction form
    21,913,345.96/32,806,059.90 = 12,787,478.44/x
  3. Step 3: Cross multiply
    21,913,345.96x = 32,806,059.90 × 12,787,478.44
  4. Step 4: Simplify right side
    21,913,345.96x = 419,506,783,672,598.50
  5. Step 5: Solve for x
    x = 419,506,783,672,598.50/21,913,345.96
  6. Step 6: Final answer
    x = 19,143,894.52

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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.