Home / 30,941,396.16-42,696,623.20-17,889,492.48

Finding the Fourth Proportional to 30,941,396.16, 42,696,623.20 and 17,889,492.48

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Solution

The fourth proportional to 30,941,396.16, 42,696,623.20 and 17,889,492.48 is: 24,686,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,396.16 : 42,696,623.20 = 17,889,492.48 : x
  2. Step 2: Convert to fraction form
    30,941,396.16/42,696,623.20 = 17,889,492.48/x
  3. Step 3: Cross multiply
    30,941,396.16x = 42,696,623.20 × 17,889,492.48
  4. Step 4: Simplify right side
    30,941,396.16x = 763,820,919,657,793.62
  5. Step 5: Solve for x
    x = 763,820,919,657,793.62/30,941,396.16
  6. Step 6: Final answer
    x = 24,686,052.16

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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.