Home / 19,580,971.10-27,021,545.24-10,878,956.87

Finding the Fourth Proportional to 19,580,971.10, 27,021,545.24 and 10,878,956.87

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Solution

The fourth proportional to 19,580,971.10, 27,021,545.24 and 10,878,956.87 is: 15,012,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580,971.10 : 27,021,545.24 = 10,878,956.87 : x
  2. Step 2: Convert to fraction form
    19,580,971.10/27,021,545.24 = 10,878,956.87/x
  3. Step 3: Cross multiply
    19,580,971.10x = 27,021,545.24 × 10,878,956.87
  4. Step 4: Simplify right side
    19,580,971.10x = 293,966,225,037,211.31
  5. Step 5: Solve for x
    x = 293,966,225,037,211.31/19,580,971.10
  6. Step 6: Final answer
    x = 15,012,852.20

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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.