Home / 7,815,255.30-10,779,667.56-5,497,064.46

Finding the Fourth Proportional to 7,815,255.30, 10,779,667.56 and 5,497,064.46

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Solution

The fourth proportional to 7,815,255.30, 10,779,667.56 and 5,497,064.46 is: 7,582,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,255.30 : 10,779,667.56 = 5,497,064.46 : x
  2. Step 2: Convert to fraction form
    7,815,255.30/10,779,667.56 = 5,497,064.46/x
  3. Step 3: Cross multiply
    7,815,255.30x = 10,779,667.56 × 5,497,064.46
  4. Step 4: Simplify right side
    7,815,255.30x = 59,256,527,434,690.92
  5. Step 5: Solve for x
    x = 59,256,527,434,690.92/7,815,255.30
  6. Step 6: Final answer
    x = 7,582,161.45

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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.