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Finding the Fourth Proportional to 15,948,792.84, 22,009,444.84 and 9,073,274.91

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Solution

The fourth proportional to 15,948,792.84, 22,009,444.84 and 9,073,274.91 is: 12,521,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948,792.84 : 22,009,444.84 = 9,073,274.91 : x
  2. Step 2: Convert to fraction form
    15,948,792.84/22,009,444.84 = 9,073,274.91/x
  3. Step 3: Cross multiply
    15,948,792.84x = 22,009,444.84 × 9,073,274.91
  4. Step 4: Simplify right side
    15,948,792.84x = 199,697,743,578,607.12
  5. Step 5: Solve for x
    x = 199,697,743,578,607.12/15,948,792.84
  6. Step 6: Final answer
    x = 12,521,182.36

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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.