Home / 15,756,374.84-21,743,962.98-8,880,856.90

Finding the Fourth Proportional to 15,756,374.84, 21,743,962.98 and 8,880,856.90

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Solution

The fourth proportional to 15,756,374.84, 21,743,962.98 and 8,880,856.90 is: 12,255,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,374.84 : 21,743,962.98 = 8,880,856.90 : x
  2. Step 2: Convert to fraction form
    15,756,374.84/21,743,962.98 = 8,880,856.90/x
  3. Step 3: Cross multiply
    15,756,374.84x = 21,743,962.98 × 8,880,856.90
  4. Step 4: Simplify right side
    15,756,374.84x = 193,105,023,664,277.56
  5. Step 5: Solve for x
    x = 193,105,023,664,277.56/15,756,374.84
  6. Step 6: Final answer
    x = 12,255,675.92

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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.