Home / 19,215,008.55-28,822,512.83-18,385,698.15

Finding the Fourth Proportional to 19,215,008.55, 28,822,512.83 and 18,385,698.15

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Solution

The fourth proportional to 19,215,008.55, 28,822,512.83 and 18,385,698.15 is: 27,578,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215,008.55 : 28,822,512.83 = 18,385,698.15 : x
  2. Step 2: Convert to fraction form
    19,215,008.55/28,822,512.83 = 18,385,698.15/x
  3. Step 3: Cross multiply
    19,215,008.55x = 28,822,512.83 × 18,385,698.15
  4. Step 4: Simplify right side
    19,215,008.55x = 529,922,020,724,953.69
  5. Step 5: Solve for x
    x = 529,922,020,724,953.69/19,215,008.55
  6. Step 6: Final answer
    x = 27,578,547.23

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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.