Home / 19,991,214.69-29,986,822.10-4,845,146.13

Finding the Fourth Proportional to 19,991,214.69, 29,986,822.10 and 4,845,146.13

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Solution

The fourth proportional to 19,991,214.69, 29,986,822.10 and 4,845,146.13 is: 7,267,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,214.69 : 29,986,822.10 = 4,845,146.13 : x
  2. Step 2: Convert to fraction form
    19,991,214.69/29,986,822.10 = 4,845,146.13/x
  3. Step 3: Cross multiply
    19,991,214.69x = 29,986,822.10 × 4,845,146.13
  4. Step 4: Simplify right side
    19,991,214.69x = 145,290,535,024,587.72
  5. Step 5: Solve for x
    x = 145,290,535,024,587.72/19,991,214.69
  6. Step 6: Final answer
    x = 7,267,719.21

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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.