Home / 13,369,641-18,450,328.14-7,258,069.50

Finding the Fourth Proportional to 13,369,641, 18,450,328.14 and 7,258,069.50

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Solution

The fourth proportional to 13,369,641, 18,450,328.14 and 7,258,069.50 is: 10,016,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,641 : 18,450,328.14 = 7,258,069.50 : x
  2. Step 2: Convert to fraction form
    13,369,641/18,450,328.14 = 7,258,069.50/x
  3. Step 3: Cross multiply
    13,369,641x = 18,450,328.14 × 7,258,069.50
  4. Step 4: Simplify right side
    13,369,641x = 133,913,763,937,925.73
  5. Step 5: Solve for x
    x = 133,913,763,937,925.73/13,369,641
  6. Step 6: Final answer
    x = 10,016,257.28

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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.