Home / 42,709,904.40-64,058,635.80-12,414,608.40

Finding the Fourth Proportional to 42,709,904.40, 64,058,635.80 and 12,414,608.40

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Solution

The fourth proportional to 42,709,904.40, 64,058,635.80 and 12,414,608.40 is: 18,620,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,904.40 : 64,058,635.80 = 12,414,608.40 : x
  2. Step 2: Convert to fraction form
    42,709,904.40/64,058,635.80 = 12,414,608.40/x
  3. Step 3: Cross multiply
    42,709,904.40x = 64,058,635.80 × 12,414,608.40
  4. Step 4: Simplify right side
    42,709,904.40x = 795,262,878,095,220.75
  5. Step 5: Solve for x
    x = 795,262,878,095,220.75/42,709,904.40
  6. Step 6: Final answer
    x = 18,620,104.38

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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.