Home / 30,621,416.10-45,932,124.15-28,731,848.10

Finding the Fourth Proportional to 30,621,416.10, 45,932,124.15 and 28,731,848.10

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Solution

The fourth proportional to 30,621,416.10, 45,932,124.15 and 28,731,848.10 is: 43,097,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,416.10 : 45,932,124.15 = 28,731,848.10 : x
  2. Step 2: Convert to fraction form
    30,621,416.10/45,932,124.15 = 28,731,848.10/x
  3. Step 3: Cross multiply
    30,621,416.10x = 45,932,124.15 × 28,731,848.10
  4. Step 4: Simplify right side
    30,621,416.10x = 1,319,714,813,988,141.75
  5. Step 5: Solve for x
    x = 1,319,714,813,988,141.75/30,621,416.10
  6. Step 6: Final answer
    x = 43,097,772.15

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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.