Home / 21,048,290.76-31,573,549.98-6,672,480

Finding the Fourth Proportional to 21,048,290.76, 31,573,549.98 and 6,672,480

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Solution

The fourth proportional to 21,048,290.76, 31,573,549.98 and 6,672,480 is: 10,009,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,290.76 : 31,573,549.98 = 6,672,480 : x
  2. Step 2: Convert to fraction form
    21,048,290.76/31,573,549.98 = 6,672,480/x
  3. Step 3: Cross multiply
    21,048,290.76x = 31,573,549.98 × 6,672,480
  4. Step 4: Simplify right side
    21,048,290.76x = 210,673,880,770,550.41
  5. Step 5: Solve for x
    x = 210,673,880,770,550.41/21,048,290.76
  6. Step 6: Final answer
    x = 10,009,073.10

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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.