Home / 13,713,965.76-18,925,172.71-7,518,910.29

Finding the Fourth Proportional to 13,713,965.76, 18,925,172.71 and 7,518,910.29

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Solution

The fourth proportional to 13,713,965.76, 18,925,172.71 and 7,518,910.29 is: 10,376,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,965.76 : 18,925,172.71 = 7,518,910.29 : x
  2. Step 2: Convert to fraction form
    13,713,965.76/18,925,172.71 = 7,518,910.29/x
  3. Step 3: Cross multiply
    13,713,965.76x = 18,925,172.71 × 7,518,910.29
  4. Step 4: Simplify right side
    13,713,965.76x = 142,296,675,829,246.19
  5. Step 5: Solve for x
    x = 142,296,675,829,246.19/13,713,965.76
  6. Step 6: Final answer
    x = 10,376,041.35

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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.