Home / 14,212,681.61-19,613,559.31-7,686,310.93

Finding the Fourth Proportional to 14,212,681.61, 19,613,559.31 and 7,686,310.93

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Solution

The fourth proportional to 14,212,681.61, 19,613,559.31 and 7,686,310.93 is: 10,607,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,681.61 : 19,613,559.31 = 7,686,310.93 : x
  2. Step 2: Convert to fraction form
    14,212,681.61/19,613,559.31 = 7,686,310.93/x
  3. Step 3: Cross multiply
    14,212,681.61x = 19,613,559.31 × 7,686,310.93
  4. Step 4: Simplify right side
    14,212,681.61x = 150,755,915,232,406.59
  5. Step 5: Solve for x
    x = 150,755,915,232,406.59/14,212,681.61
  6. Step 6: Final answer
    x = 10,607,140.82

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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.