Home / 15,756,356.61-21,743,938.23-8,880,838.67

Finding the Fourth Proportional to 15,756,356.61, 21,743,938.23 and 8,880,838.67

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Solution

The fourth proportional to 15,756,356.61, 21,743,938.23 and 8,880,838.67 is: 12,255,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,356.61 : 21,743,938.23 = 8,880,838.67 : x
  2. Step 2: Convert to fraction form
    15,756,356.61/21,743,938.23 = 8,880,838.67/x
  3. Step 3: Cross multiply
    15,756,356.61x = 21,743,938.23 × 8,880,838.67
  4. Step 4: Simplify right side
    15,756,356.61x = 193,104,407,362,355.66
  5. Step 5: Solve for x
    x = 193,104,407,362,355.66/15,756,356.61
  6. Step 6: Final answer
    x = 12,255,650.98

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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.