Home / 30,207,924.20-45,311,886.30-10,013,166.20

Finding the Fourth Proportional to 30,207,924.20, 45,311,886.30 and 10,013,166.20

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Solution

The fourth proportional to 30,207,924.20, 45,311,886.30 and 10,013,166.20 is: 15,019,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,924.20 : 45,311,886.30 = 10,013,166.20 : x
  2. Step 2: Convert to fraction form
    30,207,924.20/45,311,886.30 = 10,013,166.20/x
  3. Step 3: Cross multiply
    30,207,924.20x = 45,311,886.30 × 10,013,166.20
  4. Step 4: Simplify right side
    30,207,924.20x = 453,715,448,357,403
  5. Step 5: Solve for x
    x = 453,715,448,357,403/30,207,924.20
  6. Step 6: Final answer
    x = 15,019,749.30

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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.