Home / 10,200,412.16-15,290,395.12-4,739,343.56

Finding the Fourth Proportional to 10,200,412.16, 15,290,395.12 and 4,739,343.56

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Solution

The fourth proportional to 10,200,412.16, 15,290,395.12 and 4,739,343.56 is: 7,104,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,412.16 : 15,290,395.12 = 4,739,343.56 : x
  2. Step 2: Convert to fraction form
    10,200,412.16/15,290,395.12 = 4,739,343.56/x
  3. Step 3: Cross multiply
    10,200,412.16x = 15,290,395.12 × 4,739,343.56
  4. Step 4: Simplify right side
    10,200,412.16x = 72,466,435,641,827.42
  5. Step 5: Solve for x
    x = 72,466,435,641,827.42/10,200,412.16
  6. Step 6: Final answer
    x = 7,104,265.45

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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.