Home / 30,346,546.80-45,519,820.20-9,878,195.10

Finding the Fourth Proportional to 30,346,546.80, 45,519,820.20 and 9,878,195.10

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Solution

The fourth proportional to 30,346,546.80, 45,519,820.20 and 9,878,195.10 is: 14,817,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346,546.80 : 45,519,820.20 = 9,878,195.10 : x
  2. Step 2: Convert to fraction form
    30,346,546.80/45,519,820.20 = 9,878,195.10/x
  3. Step 3: Cross multiply
    30,346,546.80x = 45,519,820.20 × 9,878,195.10
  4. Step 4: Simplify right side
    30,346,546.80x = 449,653,664,852,521.06
  5. Step 5: Solve for x
    x = 449,653,664,852,521.06/30,346,546.80
  6. Step 6: Final answer
    x = 14,817,292.65

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1.5x scale

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.