Home / 7,666,228.80-10,579,766.40-4,228,459.20

Finding the Fourth Proportional to 7,666,228.80, 10,579,766.40 and 4,228,459.20

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Solution

The fourth proportional to 7,666,228.80, 10,579,766.40 and 4,228,459.20 is: 5,835,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,228.80 : 10,579,766.40 = 4,228,459.20 : x
  2. Step 2: Convert to fraction form
    7,666,228.80/10,579,766.40 = 4,228,459.20/x
  3. Step 3: Cross multiply
    7,666,228.80x = 10,579,766.40 × 4,228,459.20
  4. Step 4: Simplify right side
    7,666,228.80x = 44,736,110,567,930.88
  5. Step 5: Solve for x
    x = 44,736,110,567,930.88/7,666,228.80
  6. Step 6: Final answer
    x = 5,835,478.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.