Home / 13,953,405.78-19,257,296.13-7,759,070.10

Finding the Fourth Proportional to 13,953,405.78, 19,257,296.13 and 7,759,070.10

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Solution

The fourth proportional to 13,953,405.78, 19,257,296.13 and 7,759,070.10 is: 10,708,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953,405.78 : 19,257,296.13 = 7,759,070.10 : x
  2. Step 2: Convert to fraction form
    13,953,405.78/19,257,296.13 = 7,759,070.10/x
  3. Step 3: Cross multiply
    13,953,405.78x = 19,257,296.13 × 7,759,070.10
  4. Step 4: Simplify right side
    13,953,405.78x = 149,418,710,609,128.69
  5. Step 5: Solve for x
    x = 149,418,710,609,128.69/13,953,405.78
  6. Step 6: Final answer
    x = 10,708,404.31

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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.