Home / 30,521,970.64-45,821,804.76-19,784,204.56

Finding the Fourth Proportional to 30,521,970.64, 45,821,804.76 and 19,784,204.56

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Solution

The fourth proportional to 30,521,970.64, 45,821,804.76 and 19,784,204.56 is: 29,701,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,970.64 : 45,821,804.76 = 19,784,204.56 : x
  2. Step 2: Convert to fraction form
    30,521,970.64/45,821,804.76 = 19,784,204.56/x
  3. Step 3: Cross multiply
    30,521,970.64x = 45,821,804.76 × 19,784,204.56
  4. Step 4: Simplify right side
    30,521,970.64x = 906,547,958,680,221.62
  5. Step 5: Solve for x
    x = 906,547,958,680,221.62/30,521,970.64
  6. Step 6: Final answer
    x = 29,701,488.46

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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.