Home / 9,676,821.80-14,516,982.30-4,872,420.20

Finding the Fourth Proportional to 9,676,821.80, 14,516,982.30 and 4,872,420.20

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Solution

The fourth proportional to 9,676,821.80, 14,516,982.30 and 4,872,420.20 is: 7,309,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676,821.80 : 14,516,982.30 = 4,872,420.20 : x
  2. Step 2: Convert to fraction form
    9,676,821.80/14,516,982.30 = 4,872,420.20/x
  3. Step 3: Cross multiply
    9,676,821.80x = 14,516,982.30 × 4,872,420.20
  4. Step 4: Simplify right side
    9,676,821.80x = 70,732,837,801,562.47
  5. Step 5: Solve for x
    x = 70,732,837,801,562.47/9,676,821.80
  6. Step 6: Final answer
    x = 7,309,511.25

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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.