Home / 19,164,019.40-28,746,029.10-15,384,883.40

Finding the Fourth Proportional to 19,164,019.40, 28,746,029.10 and 15,384,883.40

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Solution

The fourth proportional to 19,164,019.40, 28,746,029.10 and 15,384,883.40 is: 23,077,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,019.40 : 28,746,029.10 = 15,384,883.40 : x
  2. Step 2: Convert to fraction form
    19,164,019.40/28,746,029.10 = 15,384,883.40/x
  3. Step 3: Cross multiply
    19,164,019.40x = 28,746,029.10 × 15,384,883.40
  4. Step 4: Simplify right side
    19,164,019.40x = 442,254,305,916,507
  5. Step 5: Solve for x
    x = 442,254,305,916,507/19,164,019.40
  6. Step 6: Final answer
    x = 23,077,325.10

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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.