Home / 15,555,222.02-21,463,002.51-8,938,532.78

Finding the Fourth Proportional to 15,555,222.02, 21,463,002.51 and 8,938,532.78

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Solution

The fourth proportional to 15,555,222.02, 21,463,002.51 and 8,938,532.78 is: 12,333,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,222.02 : 21,463,002.51 = 8,938,532.78 : x
  2. Step 2: Convert to fraction form
    15,555,222.02/21,463,002.51 = 8,938,532.78/x
  3. Step 3: Cross multiply
    15,555,222.02x = 21,463,002.51 × 8,938,532.78
  4. Step 4: Simplify right side
    15,555,222.02x = 191,847,751,492,857.28
  5. Step 5: Solve for x
    x = 191,847,751,492,857.28/15,555,222.02
  6. Step 6: Final answer
    x = 12,333,334.18

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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.