Home / 7,643,948.70-11,465,923.05-7,059,363.60

Finding the Fourth Proportional to 7,643,948.70, 11,465,923.05 and 7,059,363.60

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Solution

The fourth proportional to 7,643,948.70, 11,465,923.05 and 7,059,363.60 is: 10,589,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,948.70 : 11,465,923.05 = 7,059,363.60 : x
  2. Step 2: Convert to fraction form
    7,643,948.70/11,465,923.05 = 7,059,363.60/x
  3. Step 3: Cross multiply
    7,643,948.70x = 11,465,923.05 × 7,059,363.60
  4. Step 4: Simplify right side
    7,643,948.70x = 80,942,119,819,570.98
  5. Step 5: Solve for x
    x = 80,942,119,819,570.98/7,643,948.70
  6. Step 6: Final answer
    x = 10,589,045.40

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1.5x scale

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.