Home / 15,553,206.40-23,329,809.60-12,340,940.80

Finding the Fourth Proportional to 15,553,206.40, 23,329,809.60 and 12,340,940.80

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Solution

The fourth proportional to 15,553,206.40, 23,329,809.60 and 12,340,940.80 is: 18,511,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,206.40 : 23,329,809.60 = 12,340,940.80 : x
  2. Step 2: Convert to fraction form
    15,553,206.40/23,329,809.60 = 12,340,940.80/x
  3. Step 3: Cross multiply
    15,553,206.40x = 23,329,809.60 × 12,340,940.80
  4. Step 4: Simplify right side
    15,553,206.40x = 287,911,799,148,871.69
  5. Step 5: Solve for x
    x = 287,911,799,148,871.69/15,553,206.40
  6. Step 6: Final answer
    x = 18,511,411.20

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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.