Home / 7,579,756.48-10,460,200.80-4,142,142.40

Finding the Fourth Proportional to 7,579,756.48, 10,460,200.80 and 4,142,142.40

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Solution

The fourth proportional to 7,579,756.48, 10,460,200.80 and 4,142,142.40 is: 5,716,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579,756.48 : 10,460,200.80 = 4,142,142.40 : x
  2. Step 2: Convert to fraction form
    7,579,756.48/10,460,200.80 = 4,142,142.40/x
  3. Step 3: Cross multiply
    7,579,756.48x = 10,460,200.80 × 4,142,142.40
  4. Step 4: Simplify right side
    7,579,756.48x = 43,327,641,246,193.92
  5. Step 5: Solve for x
    x = 43,327,641,246,193.92/7,579,756.48
  6. Step 6: Final answer
    x = 5,716,231.30

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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.