Home / 14,120,295.84-21,191,792.40-7,298,866.80

Finding the Fourth Proportional to 14,120,295.84, 21,191,792.40 and 7,298,866.80

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Solution

The fourth proportional to 14,120,295.84, 21,191,792.40 and 7,298,866.80 is: 10,954,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120,295.84 : 21,191,792.40 = 7,298,866.80 : x
  2. Step 2: Convert to fraction form
    14,120,295.84/21,191,792.40 = 7,298,866.80/x
  3. Step 3: Cross multiply
    14,120,295.84x = 21,191,792.40 × 7,298,866.80
  4. Step 4: Simplify right side
    14,120,295.84x = 154,676,069,980,852.31
  5. Step 5: Solve for x
    x = 154,676,069,980,852.31/14,120,295.84
  6. Step 6: Final answer
    x = 10,954,166.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.