Home / 7,320,130.37-10,101,780.86-4,057,155.76

Finding the Fourth Proportional to 7,320,130.37, 10,101,780.86 and 4,057,155.76

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Solution

The fourth proportional to 7,320,130.37, 10,101,780.86 and 4,057,155.76 is: 5,598,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,130.37 : 10,101,780.86 = 4,057,155.76 : x
  2. Step 2: Convert to fraction form
    7,320,130.37/10,101,780.86 = 4,057,155.76/x
  3. Step 3: Cross multiply
    7,320,130.37x = 10,101,780.86 × 4,057,155.76
  4. Step 4: Simplify right side
    7,320,130.37x = 40,984,498,356,866.52
  5. Step 5: Solve for x
    x = 40,984,498,356,866.52/7,320,130.37
  6. Step 6: Final answer
    x = 5,598,875.47

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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.