Home / 19,991,294.43-29,986,941.66-4,845,225.93

Finding the Fourth Proportional to 19,991,294.43, 29,986,941.66 and 4,845,225.93

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Solution

The fourth proportional to 19,991,294.43, 29,986,941.66 and 4,845,225.93 is: 7,267,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,294.43 : 29,986,941.66 = 4,845,225.93 : x
  2. Step 2: Convert to fraction form
    19,991,294.43/29,986,941.66 = 4,845,225.93/x
  3. Step 3: Cross multiply
    19,991,294.43x = 29,986,941.66 × 4,845,225.93
  4. Step 4: Simplify right side
    19,991,294.43x = 145,293,507,292,429.25
  5. Step 5: Solve for x
    x = 145,293,507,292,429.25/19,991,294.43
  6. Step 6: Final answer
    x = 7,267,838.90

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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.