Home / 28,618,526.07-39,489,981.44-19,346,270.73

Finding the Fourth Proportional to 28,618,526.07, 39,489,981.44 and 19,346,270.73

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Solution

The fourth proportional to 28,618,526.07, 39,489,981.44 and 19,346,270.73 is: 26,695,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,526.07 : 39,489,981.44 = 19,346,270.73 : x
  2. Step 2: Convert to fraction form
    28,618,526.07/39,489,981.44 = 19,346,270.73/x
  3. Step 3: Cross multiply
    28,618,526.07x = 39,489,981.44 × 19,346,270.73
  4. Step 4: Simplify right side
    28,618,526.07x = 763,983,871,964,184
  5. Step 5: Solve for x
    x = 763,983,871,964,184/28,618,526.07
  6. Step 6: Final answer
    x = 26,695,430.44

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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.