Home / 19,490,956.89-29,265,176.70-10,871,897.28

Finding the Fourth Proportional to 19,490,956.89, 29,265,176.70 and 10,871,897.28

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Solution

The fourth proportional to 19,490,956.89, 29,265,176.70 and 10,871,897.28 is: 16,323,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,956.89 : 29,265,176.70 = 10,871,897.28 : x
  2. Step 2: Convert to fraction form
    19,490,956.89/29,265,176.70 = 10,871,897.28/x
  3. Step 3: Cross multiply
    19,490,956.89x = 29,265,176.70 × 10,871,897.28
  4. Step 4: Simplify right side
    19,490,956.89x = 318,167,994,963,449.38
  5. Step 5: Solve for x
    x = 318,167,994,963,449.38/19,490,956.89
  6. Step 6: Final answer
    x = 16,323,877.62

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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.