Home / 13,617,525-18,792,184.50-7,506,084.72

Finding the Fourth Proportional to 13,617,525, 18,792,184.50 and 7,506,084.72

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Solution

The fourth proportional to 13,617,525, 18,792,184.50 and 7,506,084.72 is: 10,358,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,525 : 18,792,184.50 = 7,506,084.72 : x
  2. Step 2: Convert to fraction form
    13,617,525/18,792,184.50 = 7,506,084.72/x
  3. Step 3: Cross multiply
    13,617,525x = 18,792,184.50 × 7,506,084.72
  4. Step 4: Simplify right side
    13,617,525x = 141,055,728,930,870.84
  5. Step 5: Solve for x
    x = 141,055,728,930,870.84/13,617,525
  6. Step 6: Final answer
    x = 10,358,396.91

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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.