Home / 19,077,946.34-28,487,694.36-15,143,259.35

Finding the Fourth Proportional to 19,077,946.34, 28,487,694.36 and 15,143,259.35

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Solution

The fourth proportional to 19,077,946.34, 28,487,694.36 and 15,143,259.35 is: 22,612,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,946.34 : 28,487,694.36 = 15,143,259.35 : x
  2. Step 2: Convert to fraction form
    19,077,946.34/28,487,694.36 = 15,143,259.35/x
  3. Step 3: Cross multiply
    19,077,946.34x = 28,487,694.36 × 15,143,259.35
  4. Step 4: Simplify right side
    19,077,946.34x = 431,396,543,834,573.81
  5. Step 5: Solve for x
    x = 431,396,543,834,573.81/19,077,946.34
  6. Step 6: Final answer
    x = 22,612,315.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.