Home / 7,320,132.69-10,101,784.05-4,057,158.07

Finding the Fourth Proportional to 7,320,132.69, 10,101,784.05 and 4,057,158.07

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Solution

The fourth proportional to 7,320,132.69, 10,101,784.05 and 4,057,158.07 is: 5,598,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,132.69 : 10,101,784.05 = 4,057,158.07 : x
  2. Step 2: Convert to fraction form
    7,320,132.69/10,101,784.05 = 4,057,158.07/x
  3. Step 3: Cross multiply
    7,320,132.69x = 10,101,784.05 × 4,057,158.07
  4. Step 4: Simplify right side
    7,320,132.69x = 40,984,534,679,854.78
  5. Step 5: Solve for x
    x = 40,984,534,679,854.78/7,320,132.69
  6. Step 6: Final answer
    x = 5,598,878.66

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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.