Home / 42,911,459.20-64,395,809.09-15,617,744.36

Finding the Fourth Proportional to 42,911,459.20, 64,395,809.09 and 15,617,744.36

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Solution

The fourth proportional to 42,911,459.20, 64,395,809.09 and 15,617,744.36 is: 23,437,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911,459.20 : 64,395,809.09 = 15,617,744.36 : x
  2. Step 2: Convert to fraction form
    42,911,459.20/64,395,809.09 = 15,617,744.36/x
  3. Step 3: Cross multiply
    42,911,459.20x = 64,395,809.09 × 15,617,744.36
  4. Step 4: Simplify right side
    42,911,459.20x = 1,005,717,284,122,967.25
  5. Step 5: Solve for x
    x = 1,005,717,284,122,967.25/42,911,459.20
  6. Step 6: Final answer
    x = 23,437,032.97

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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.