Home / 21,320,875.79-31,897,167.79-16,148,389.49

Finding the Fourth Proportional to 21,320,875.79, 31,897,167.79 and 16,148,389.49

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Solution

The fourth proportional to 21,320,875.79, 31,897,167.79 and 16,148,389.49 is: 24,158,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,875.79 : 31,897,167.79 = 16,148,389.49 : x
  2. Step 2: Convert to fraction form
    21,320,875.79/31,897,167.79 = 16,148,389.49/x
  3. Step 3: Cross multiply
    21,320,875.79x = 31,897,167.79 × 16,148,389.49
  4. Step 4: Simplify right side
    21,320,875.79x = 515,087,889,100,802.50
  5. Step 5: Solve for x
    x = 515,087,889,100,802.50/21,320,875.79
  6. Step 6: Final answer
    x = 24,158,852.30

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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.