Home / 13,426,721.84-18,528,232.20-7,624,737.20

Finding the Fourth Proportional to 13,426,721.84, 18,528,232.20 and 7,624,737.20

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Solution

The fourth proportional to 13,426,721.84, 18,528,232.20 and 7,624,737.20 is: 10,521,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,721.84 : 18,528,232.20 = 7,624,737.20 : x
  2. Step 2: Convert to fraction form
    13,426,721.84/18,528,232.20 = 7,624,737.20/x
  3. Step 3: Cross multiply
    13,426,721.84x = 18,528,232.20 × 7,624,737.20
  4. Step 4: Simplify right side
    13,426,721.84x = 141,272,901,305,577.84
  5. Step 5: Solve for x
    x = 141,272,901,305,577.84/13,426,721.84
  6. Step 6: Final answer
    x = 10,521,771.66

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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.