Home / 42,408,628.90-63,612,943.35-15,145,705.60

Finding the Fourth Proportional to 42,408,628.90, 63,612,943.35 and 15,145,705.60

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Solution

The fourth proportional to 42,408,628.90, 63,612,943.35 and 15,145,705.60 is: 22,718,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,628.90 : 63,612,943.35 = 15,145,705.60 : x
  2. Step 2: Convert to fraction form
    42,408,628.90/63,612,943.35 = 15,145,705.60/x
  3. Step 3: Cross multiply
    42,408,628.90x = 63,612,943.35 × 15,145,705.60
  4. Step 4: Simplify right side
    42,408,628.90x = 963,462,912,328,577.75
  5. Step 5: Solve for x
    x = 963,462,912,328,577.75/42,408,628.90
  6. Step 6: Final answer
    x = 22,718,558.40

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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.