Home / 8,020,154.70-12,031,981.65-2,339,916.30

Finding the Fourth Proportional to 8,020,154.70, 12,031,981.65 and 2,339,916.30

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Solution

The fourth proportional to 8,020,154.70, 12,031,981.65 and 2,339,916.30 is: 3,510,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,154.70 : 12,031,981.65 = 2,339,916.30 : x
  2. Step 2: Convert to fraction form
    8,020,154.70/12,031,981.65 = 2,339,916.30/x
  3. Step 3: Cross multiply
    8,020,154.70x = 12,031,981.65 × 2,339,916.30
  4. Step 4: Simplify right side
    8,020,154.70x = 28,153,829,984,135.89
  5. Step 5: Solve for x
    x = 28,153,829,984,135.89/8,020,154.70
  6. Step 6: Final answer
    x = 3,510,384.90

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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.