Home / 7,020,909.80-10,531,364.70-5,745,451.40

Finding the Fourth Proportional to 7,020,909.80, 10,531,364.70 and 5,745,451.40

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Solution

The fourth proportional to 7,020,909.80, 10,531,364.70 and 5,745,451.40 is: 8,618,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,909.80 : 10,531,364.70 = 5,745,451.40 : x
  2. Step 2: Convert to fraction form
    7,020,909.80/10,531,364.70 = 5,745,451.40/x
  3. Step 3: Cross multiply
    7,020,909.80x = 10,531,364.70 × 5,745,451.40
  4. Step 4: Simplify right side
    7,020,909.80x = 60,507,444,059,525.58
  5. Step 5: Solve for x
    x = 60,507,444,059,525.58/7,020,909.80
  6. Step 6: Final answer
    x = 8,618,177.10

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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.