Home / 7,038,221-9,712,744.98-3,818,957

Finding the Fourth Proportional to 7,038,221, 9,712,744.98 and 3,818,957

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Solution

The fourth proportional to 7,038,221, 9,712,744.98 and 3,818,957 is: 5,270,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,221 : 9,712,744.98 = 3,818,957 : x
  2. Step 2: Convert to fraction form
    7,038,221/9,712,744.98 = 3,818,957/x
  3. Step 3: Cross multiply
    7,038,221x = 9,712,744.98 × 3,818,957
  4. Step 4: Simplify right side
    7,038,221x = 37,092,555,430,585.86
  5. Step 5: Solve for x
    x = 37,092,555,430,585.86/7,038,221
  6. Step 6: Final answer
    x = 5,270,160.66

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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.