Home / 14,298,051.80-19,731,443.54-7,771,696.60

Finding the Fourth Proportional to 14,298,051.80, 19,731,443.54 and 7,771,696.60

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Solution

The fourth proportional to 14,298,051.80, 19,731,443.54 and 7,771,696.60 is: 10,725,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,051.80 : 19,731,443.54 = 7,771,696.60 : x
  2. Step 2: Convert to fraction form
    14,298,051.80/19,731,443.54 = 7,771,696.60/x
  3. Step 3: Cross multiply
    14,298,051.80x = 19,731,443.54 × 7,771,696.60
  4. Step 4: Simplify right side
    14,298,051.80x = 153,346,792,672,909.94
  5. Step 5: Solve for x
    x = 153,346,792,672,909.94/14,298,051.80
  6. Step 6: Final answer
    x = 10,725,013.09

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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.