Home / 30,215,339.70-45,323,009.55-10,020,581.70

Finding the Fourth Proportional to 30,215,339.70, 45,323,009.55 and 10,020,581.70

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Solution

The fourth proportional to 30,215,339.70, 45,323,009.55 and 10,020,581.70 is: 15,030,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,339.70 : 45,323,009.55 = 10,020,581.70 : x
  2. Step 2: Convert to fraction form
    30,215,339.70/45,323,009.55 = 10,020,581.70/x
  3. Step 3: Cross multiply
    30,215,339.70x = 45,323,009.55 × 10,020,581.70
  4. Step 4: Simplify right side
    30,215,339.70x = 454,162,920,085,655.19
  5. Step 5: Solve for x
    x = 454,162,920,085,655.19/30,215,339.70
  6. Step 6: Final answer
    x = 15,030,872.55

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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.