Home / 14,212,645.70-19,613,509.80-7,686,275.02

Finding the Fourth Proportional to 14,212,645.70, 19,613,509.80 and 7,686,275.02

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Solution

The fourth proportional to 14,212,645.70, 19,613,509.80 and 7,686,275.02 is: 10,607,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,645.70 : 19,613,509.80 = 7,686,275.02 : x
  2. Step 2: Convert to fraction form
    14,212,645.70/19,613,509.80 = 7,686,275.02/x
  3. Step 3: Cross multiply
    14,212,645.70x = 19,613,509.80 × 7,686,275.02
  4. Step 4: Simplify right side
    14,212,645.70x = 150,754,830,293,766.28
  5. Step 5: Solve for x
    x = 150,754,830,293,766.28/14,212,645.70
  6. Step 6: Final answer
    x = 10,607,091.29

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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.