Home / 42,848,438.76-64,264,289-13,694,457.40

Finding the Fourth Proportional to 42,848,438.76, 64,264,289 and 13,694,457.40

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Solution

The fourth proportional to 42,848,438.76, 64,264,289 and 13,694,457.40 is: 20,539,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848,438.76 : 64,264,289 = 13,694,457.40 : x
  2. Step 2: Convert to fraction form
    42,848,438.76/64,264,289 = 13,694,457.40/x
  3. Step 3: Cross multiply
    42,848,438.76x = 64,264,289 × 13,694,457.40
  4. Step 4: Simplify right side
    42,848,438.76x = 880,064,568,051,788.62
  5. Step 5: Solve for x
    x = 880,064,568,051,788.62/42,848,438.76
  6. Step 6: Final answer
    x = 20,539,011.30

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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.