Home / 30,186,533.52-45,279,264.47-7,467,430.77

Finding the Fourth Proportional to 30,186,533.52, 45,279,264.47 and 7,467,430.77

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Solution

The fourth proportional to 30,186,533.52, 45,279,264.47 and 7,467,430.77 is: 11,201,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186,533.52 : 45,279,264.47 = 7,467,430.77 : x
  2. Step 2: Convert to fraction form
    30,186,533.52/45,279,264.47 = 7,467,430.77/x
  3. Step 3: Cross multiply
    30,186,533.52x = 45,279,264.47 × 7,467,430.77
  4. Step 4: Simplify right side
    30,186,533.52x = 338,119,772,708,908.62
  5. Step 5: Solve for x
    x = 338,119,772,708,908.62/30,186,533.52
  6. Step 6: Final answer
    x = 11,201,013.61

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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.