Home / 22,142,769.18-30,559,124.79-13,884,138.78

Finding the Fourth Proportional to 22,142,769.18, 30,559,124.79 and 13,884,138.78

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Solution

The fourth proportional to 22,142,769.18, 30,559,124.79 and 13,884,138.78 is: 19,161,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,769.18 : 30,559,124.79 = 13,884,138.78 : x
  2. Step 2: Convert to fraction form
    22,142,769.18/30,559,124.79 = 13,884,138.78/x
  3. Step 3: Cross multiply
    22,142,769.18x = 30,559,124.79 × 13,884,138.78
  4. Step 4: Simplify right side
    22,142,769.18x = 424,287,129,579,698.31
  5. Step 5: Solve for x
    x = 424,287,129,579,698.31/22,142,769.18
  6. Step 6: Final answer
    x = 19,161,430.36

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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.