Home / 19,254,364.93-28,890,889.13-8,470,264.49

Finding the Fourth Proportional to 19,254,364.93, 28,890,889.13 and 8,470,264.49

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Solution

The fourth proportional to 19,254,364.93, 28,890,889.13 and 8,470,264.49 is: 12,709,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,364.93 : 28,890,889.13 = 8,470,264.49 : x
  2. Step 2: Convert to fraction form
    19,254,364.93/28,890,889.13 = 8,470,264.49/x
  3. Step 3: Cross multiply
    19,254,364.93x = 28,890,889.13 × 8,470,264.49
  4. Step 4: Simplify right side
    19,254,364.93x = 244,713,472,282,366
  5. Step 5: Solve for x
    x = 244,713,472,282,366/19,254,364.93
  6. Step 6: Final answer
    x = 12,709,506.29

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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.