Home / 20,592,496.47-28,417,648.63-11,425,117.35

Finding the Fourth Proportional to 20,592,496.47, 28,417,648.63 and 11,425,117.35

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Solution

The fourth proportional to 20,592,496.47, 28,417,648.63 and 11,425,117.35 is: 15,766,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,496.47 : 28,417,648.63 = 11,425,117.35 : x
  2. Step 2: Convert to fraction form
    20,592,496.47/28,417,648.63 = 11,425,117.35/x
  3. Step 3: Cross multiply
    20,592,496.47x = 28,417,648.63 × 11,425,117.35
  4. Step 4: Simplify right side
    20,592,496.47x = 324,674,970,408,816.69
  5. Step 5: Solve for x
    x = 324,674,970,408,816.69/20,592,496.47
  6. Step 6: Final answer
    x = 15,766,663.89

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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.