Home / 39,305,018.84-54,240,199.50-21,423,393.32

Finding the Fourth Proportional to 39,305,018.84, 54,240,199.50 and 21,423,393.32

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Solution

The fourth proportional to 39,305,018.84, 54,240,199.50 and 21,423,393.32 is: 29,563,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305,018.84 : 54,240,199.50 = 21,423,393.32 : x
  2. Step 2: Convert to fraction form
    39,305,018.84/54,240,199.50 = 21,423,393.32/x
  3. Step 3: Cross multiply
    39,305,018.84x = 54,240,199.50 × 21,423,393.32
  4. Step 4: Simplify right side
    39,305,018.84x = 1,162,009,127,643,767.25
  5. Step 5: Solve for x
    x = 1,162,009,127,643,767.25/39,305,018.84
  6. Step 6: Final answer
    x = 29,563,886.80

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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.